Concept-wise Practice

distinct-prime-factors MCQ Questions for Class 10

distinct-prime-factors se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

29 questions tagged with distinct-prime-factors.

Question 1/29 Expert Mathematics Chapter 1: Real Numbers 3: Prime factorisation Class 10 Level 8

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^6\times3^5\times5^4\times7^3\times11^2\times13\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^6\times3^5\times5^4\times7^3\times11^2\times13\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 6

Step 1

Concept

While counting distinct primes, only bases are counted.

Step 2

Why this answer is correct

The bases are 2, 3, 5, 7, 11, and 13.

Step 3

Exam Tip

Therefore, the number of distinct prime factors is 6. चरण 1: अलग-अलग अभाज्य गिनते समय केवल आधार गिने जाते हैं। चरण 2: आधार 2, 3, 5, 7, 11 और 13 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंडों की संख्या 6 है।

Open Question Page
Ask Friends
Question 2/29 Hard Mathematics Chapter 1: Real Numbers 3: Prime factorisation Class 10 Level 9

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^6\times3^5\times7^4\times11^3\times13^2\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^6\times3^5\times7^4\times11^3\times13^2\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 5

Step 1

Concept

While counting distinct primes, only bases are counted.

Step 2

Why this answer is correct

The bases are 2, 3, 7, 11, and 13.

Step 3

Exam Tip

Therefore, the number of distinct prime factors is 5. चरण 1: अलग-अलग अभाज्य गिनते समय केवल आधार गिने जाते हैं। चरण 2: आधार 2, 3, 7, 11 और 13 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंडों की संख्या 5 है।

Open Question Page
Ask Friends
Question 3/29 Hard Mathematics Chapter 1: Real Numbers 3: Prime factorisation Class 10 Level 7

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^4\times3^7\times11^3\times13^2\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^4\times3^7\times11^3\times13^2\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 4

Step 1

Concept

While counting distinct primes, only bases are counted.

Step 2

Why this answer is correct

The bases are 2, 3, 11, and 13.

Step 3

Exam Tip

Therefore, there are 4 distinct prime factors. चरण 1: अलग-अलग अभाज्य गिनते समय केवल आधार गिने जाते हैं। चरण 2: आधार 2, 3, 11 और 13 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंड 4 हैं।

Open Question Page
Ask Friends
Question 4/29 Hard Mathematics Chapter 1: Real Numbers 3: Prime factorisation Class 10 Level 7

यदि \(27720=2^3\times3^2\times5\times7\times11\), तो इसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If \(27720=2^3\times3^2\times5\times7\times11\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 5

Step 1

Concept

For distinct prime factors, exponents are not added.

Step 2

Why this answer is correct

The bases are 2, 3, 5, 7, and 11.

Step 3

Exam Tip

Therefore, there are 5 distinct prime factors. चरण 1: अलग-अलग अभाज्य गुणनखंडों में घातों को नहीं जोड़ा जाता। चरण 2: आधार 2, 3, 5, 7 और 11 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंड 5 हैं।

Open Question Page
Ask Friends
Question 5/29 Hard Mathematics Chapter 1: Real Numbers 3: Prime factorisation Class 10 Level 8

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^7\times3^5\times11^2\times13\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^7\times3^5\times11^2\times13\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 4

Step 1

Concept

While counting distinct prime factors, do not add exponents.

Step 2

Why this answer is correct

The prime bases are 2, 3, 11, and 13.

Step 3

Exam Tip

Therefore, the number of distinct prime factors is 4. चरण 1: अलग-अलग अभाज्य गुणनखंड गिनते समय घात नहीं जोड़ते। चरण 2: अभाज्य आधार 2, 3, 11 और 13 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंडों की संख्या 4 है।

Open Question Page
Ask Friends
Question 6/29 Expert Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 6

किस विकल्प में 223092870 के सभी अलग-अलग अभाज्य गुणनखंड सही दिए गए हैं?

Which option gives all distinct prime factors of 223092870 correctly?

Explanation opens after your attempt
Correct Answer

A. 2, 3, 5, 7, 11, 13, 17, 19 और 232, 3, 5, 7, 11, 13, 17, 19 and 23

Step 1

Concept

Write \(223092870=9699690\times23\).

Step 2

Why this answer is correct

\(9699690=2\times3\times5\times7\times11\times13\times17\times19\).

Step 3

Exam Tip

Therefore, the distinct prime factors are 2, 3, 5, 7, 11, 13, 17, 19, and 23. चरण 1: \(223092870=9699690\times23\) लिखें। चरण 2: \(9699690=2\times3\times5\times7\times11\times13\times17\times19\)। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंड 2, 3, 5, 7, 11, 13, 17, 19 और 23 हैं।

Open Question Page
Ask Friends
Question 7/29 Expert Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 6

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^{12}\times3^9\times5^4\times7^3\times17\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^{12}\times3^9\times5^4\times7^3\times17\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 5

Step 1

Concept

When counting distinct prime factors, exponents are not added.

Step 2

Why this answer is correct

The prime bases are 2, 3, 5, 7, and 17.

Step 3

Exam Tip

Therefore, the number of distinct prime factors is 5. चरण 1: अलग-अलग अभाज्य गुणनखंड गिनते समय घातें नहीं जोड़ी जातीं। चरण 2: अभाज्य आधार 2, 3, 5, 7 और 17 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंडों की संख्या 5 है।

Open Question Page
Ask Friends
Question 8/29 Expert Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 5

किस विकल्प में 9699690 के सभी अलग-अलग अभाज्य गुणनखंड सही दिए गए हैं?

Which option gives all distinct prime factors of 9699690 correctly?

Explanation opens after your attempt
Correct Answer

A. 2, 3, 5, 7, 11, 13, 17 और 192, 3, 5, 7, 11, 13, 17 and 19

Step 1

Concept

Write \(9699690=510510\times19\).

Step 2

Why this answer is correct

\(510510=2\times3\times5\times7\times11\times13\times17\).

Step 3

Exam Tip

Therefore, the distinct prime factors are 2, 3, 5, 7, 11, 13, 17, and 19. चरण 1: \(9699690=510510\times19\) लिखें। चरण 2: \(510510=2\times3\times5\times7\times11\times13\times17\)। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंड 2, 3, 5, 7, 11, 13, 17 और 19 हैं।

Open Question Page
Ask Friends
Question 9/29 Expert Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 5

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^{11}\times3^8\times5^3\times7^2\times13\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^{11}\times3^8\times5^3\times7^2\times13\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 5

Step 1

Concept

When counting distinct prime factors, exponents are not added.

Step 2

Why this answer is correct

The prime bases are 2, 3, 5, 7, and 13.

Step 3

Exam Tip

Therefore, the number of distinct prime factors is 5. चरण 1: अलग-अलग अभाज्य गुणनखंड गिनते समय घातें नहीं जोड़ी जातीं। चरण 2: अभाज्य आधार 2, 3, 5, 7 और 13 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंडों की संख्या 5 है।

Open Question Page
Ask Friends
Question 10/29 Expert Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 4

किस विकल्प में 510510 के सभी अलग-अलग अभाज्य गुणनखंड सही दिए गए हैं?

Which option gives all distinct prime factors of 510510 correctly?

Explanation opens after your attempt
Correct Answer

A. 2, 3, 5, 7, 11, 13 और 172, 3, 5, 7, 11, 13 and 17

Step 1

Concept

Write \(510510=30030\times17\).

Step 2

Why this answer is correct

\(30030=2\times3\times5\times7\times11\times13\).

Step 3

Exam Tip

Therefore, the distinct prime factors are 2, 3, 5, 7, 11, 13, and 17. चरण 1: \(510510=30030\times17\) लिखें। चरण 2: \(30030=2\times3\times5\times7\times11\times13\)। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंड 2, 3, 5, 7, 11, 13 और 17 हैं।

Open Question Page
Ask Friends
Question 11/29 Expert Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 4

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^{10}\times3^7\times5^2\times11^3\times13\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^{10}\times3^7\times5^2\times11^3\times13\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 5

Step 1

Concept

When counting distinct prime factors, do not add exponents.

Step 2

Why this answer is correct

The prime bases are 2, 3, 5, 11, and 13.

Step 3

Exam Tip

Therefore, the number of distinct prime factors is 5. चरण 1: अलग-अलग अभाज्य गुणनखंड गिनते समय घातों को नहीं जोड़ते। चरण 2: यहां अभाज्य आधार 2, 3, 5, 11 और 13 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंडों की संख्या 5 है।

Open Question Page
Ask Friends
Question 12/29 Hard Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 6

किस विकल्प में 45045 के सभी अलग-अलग अभाज्य गुणनखंड सही दिए गए हैं?

Which option gives all distinct prime factors of 45045 correctly?

Explanation opens after your attempt
Correct Answer

A. 3, 5, 7, 11 और 133, 5, 7, 11 and 13

Step 1

Concept

Write \(45045=3465\times13\).

Step 2

Why this answer is correct

\(3465=3^2\times5\times7\times11\).

Step 3

Exam Tip

The distinct prime factors are 3, 5, 7, 11, and 13. चरण 1: \(45045=3465\times13\) लिखें। चरण 2: \(3465=3^2\times5\times7\times11\)। चरण 3: अलग-अलग अभाज्य गुणनखंड 3, 5, 7, 11 और 13 हैं।

Open Question Page
Ask Friends
Question 13/29 Hard Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 6

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^8\times3^5\times5^2\times11^3\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^8\times3^5\times5^2\times11^3\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 4

Step 1

Concept

When counting distinct prime factors, do not add exponents.

Step 2

Why this answer is correct

The prime factors here are 2, 3, 5, and 11.

Step 3

Exam Tip

Therefore, the number of distinct prime factors is 4. चरण 1: अलग-अलग अभाज्य गुणनखंड गिनते समय घातों को नहीं जोड़ते। चरण 2: यहां अभाज्य गुणनखंड 2, 3, 5 और 11 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंडों की संख्या 4 है।

Open Question Page
Ask Friends
Question 14/29 Hard Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 5

किस विकल्प में 30030 के सभी अलग-अलग अभाज्य गुणनखंड सही दिए गए हैं?

Which option gives all distinct prime factors of 30030 correctly?

Explanation opens after your attempt
Correct Answer

A. 2, 3, 5, 7, 11 और 132, 3, 5, 7, 11 and 13

Step 1

Concept

Write \(30030=2310\times13\).

Step 2

Why this answer is correct

\(2310=2\times3\times5\times7\times11\).

Step 3

Exam Tip

Therefore, the distinct prime factors are 2, 3, 5, 7, 11, and 13. चरण 1: \(30030=2310\times13\) लिखें। चरण 2: \(2310=2\times3\times5\times7\times11\)। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंड 2, 3, 5, 7, 11 और 13 हैं।

Open Question Page
Ask Friends
Question 15/29 Hard Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 5

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^8\times3^5\times11^2\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^8\times3^5\times11^2\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 3

Step 1

Concept

When counting distinct prime factors, do not add exponents.

Step 2

Why this answer is correct

The prime factors here are 2, 3, and 11.

Step 3

Exam Tip

Therefore, the number of distinct prime factors is 3. चरण 1: अलग-अलग अभाज्य गुणनखंड गिनते समय घातों को नहीं जोड़ते। चरण 2: यहां अभाज्य गुणनखंड 2, 3 और 11 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंडों की संख्या 3 है।

Open Question Page
Ask Friends
Question 16/29 Hard Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 4

किस विकल्प में 2310 के सभी अलग-अलग अभाज्य गुणनखंड सही दिए गए हैं?

Which option gives all distinct prime factors of 2310 correctly?

Explanation opens after your attempt
Correct Answer

A. 2, 3, 5, 7 और 112, 3, 5, 7 and 11

Step 1

Concept

Write \(2310=231\times10\).

Step 2

Why this answer is correct

\(231=3\times7\times11\) and \(10=2\times5\).

Step 3

Exam Tip

The distinct prime factors are 2, 3, 5, 7, and 11. चरण 1: \(2310=231\times10\) लिखें। चरण 2: \(231=3\times7\times11\) और \(10=2\times5\)। चरण 3: अलग-अलग अभाज्य गुणनखंड 2, 3, 5, 7 और 11 हैं।

Open Question Page
Ask Friends
Question 17/29 Hard Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 4

यदि किसी संख्या का अभाज्य गुणनखंडन \(2^6\times3^2\times7^3\) है, तो उसमें अलग-अलग अभाज्य गुणनखंड कितने हैं?

If a number has prime factorisation \(2^6\times3^2\times7^3\), how many distinct prime factors does it have?

Explanation opens after your attempt
Correct Answer

A. 3

Step 1

Concept

When counting distinct prime factors, do not add exponents.

Step 2

Why this answer is correct

The prime factors here are 2, 3, and 7.

Step 3

Exam Tip

Therefore, the number of distinct prime factors is 3. चरण 1: अलग-अलग अभाज्य गुणनखंड गिनते समय घातों को नहीं जोड़ते। चरण 2: यहां अभाज्य गुणनखंड 2, 3 और 7 हैं। चरण 3: इसलिए अलग-अलग अभाज्य गुणनखंडों की संख्या 3 है।

Open Question Page
Ask Friends
Question 18/29 Medium Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 6

संख्या 1365 में अलग-अलग अभाज्य गुणनखंड कौन-कौन से हैं?

What are the distinct prime factors of 1365?

Explanation opens after your attempt
Correct Answer

A. 3, 5, 7 और 133, 5, 7 and 13

Step 1

Concept

Write \(1365=105\times13\).

Step 2

Why this answer is correct

\(105=3\times5\times7\), so \(1365=3\times5\times7\times13\).

Step 3

Exam Tip

The distinct prime factors are 3, 5, 7, and 13. चरण 1: \(1365=105\times13\) लिखें। चरण 2: \(105=3\times5\times7\), इसलिए \(1365=3\times5\times7\times13\)। चरण 3: अलग-अलग अभाज्य गुणनखंड 3, 5, 7 और 13 हैं।

Open Question Page
Ask Friends
Question 19/29 Medium Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 6

यदि \(m=2^3\times3^2\times7\times11\), तो (m) में अलग-अलग अभाज्य गुणनखंड कितने हैं?

If \(m=2^3\times3^2\times7\times11\), how many distinct prime factors does (m) have?

Explanation opens after your attempt
Correct Answer

C. 4

Step 1

Concept

Look at distinct prime factors, not powers.

Step 2

Why this answer is correct

In (m), the distinct primes are 2, 3, 7, and 11.

Step 3

Exam Tip

Count 2 and 3 only once each despite their powers. चरण 1: अलग-अलग अभाज्य गुणनखंड देखें, घातें नहीं। चरण 2: (m) में 2, 3, 7 और 11 चार अलग-अलग अभाज्य गुणनखंड हैं। चरण 3: \(2^3\) और \(3^2\) में 2 और 3 को एक-एक बार गिनें।

Open Question Page
Ask Friends
Question 20/29 Medium Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 5

संख्या 1155 में अलग-अलग अभाज्य गुणनखंड कौन-कौन से हैं?

What are the distinct prime factors of 1155?

Explanation opens after your attempt
Correct Answer

A. 3, 5, 7 और 113, 5, 7 and 11

Step 1

Concept

Write \(1155=105\times11\).

Step 2

Why this answer is correct

\(105=3\times5\times7\), so \(1155=3\times5\times7\times11\).

Step 3

Exam Tip

The distinct prime factors are 3, 5, 7, and 11. चरण 1: \(1155=105\times11\) लिखें। चरण 2: \(105=3\times5\times7\), इसलिए \(1155=3\times5\times7\times11\)। चरण 3: अलग-अलग अभाज्य गुणनखंड 3, 5, 7 और 11 हैं।

Open Question Page
Ask Friends
Question 21/29 Medium Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 5

यदि \(m=2^4\times3\times5\), तो (m) में अलग-अलग अभाज्य गुणनखंड कितने हैं?

If \(m=2^4\times3\times5\), how many distinct prime factors does (m) have?

Explanation opens after your attempt
Correct Answer

B. 3

Step 1

Concept

Look at distinct prime factors, not powers.

Step 2

Why this answer is correct

In (m), the distinct prime factors are 2, 3, and 5.

Step 3

Exam Tip

In \(2^4\), count 2 only once in the distinct list. चरण 1: अलग-अलग अभाज्य गुणनखंड देखें, घातों को नहीं। चरण 2: (m) में 2, 3 और 5 तीन अलग-अलग अभाज्य गुणनखंड हैं। चरण 3: \(2^4\) में 2 को अलग सूची में एक बार ही गिनें।

Open Question Page
Ask Friends
Question 22/29 Easy Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 6

संख्या 231 में कौन-कौन से अलग-अलग अभाज्य गुणनखंड हैं?

What are the distinct prime factors of 231?

Explanation opens after your attempt
Correct Answer

A. 3, 7 और 113, 7 and 11

Step 1

Concept

Write \(231=21\times11\).

Step 2

Why this answer is correct

\(21=3\times7\), so \(231=3\times7\times11\).

Step 3

Exam Tip

The distinct prime factors are 3, 7, and 11. चरण 1: \(231=21\times11\) लिखें। चरण 2: \(21=3\times7\), इसलिए \(231=3\times7\times11\)। चरण 3: अलग-अलग अभाज्य गुणनखंड 3, 7 और 11 हैं।

Open Question Page
Ask Friends
Question 23/29 Easy Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 6

संख्या 124 में कौन-कौन से अलग-अलग अभाज्य गुणनखंड आते हैं?

Which distinct prime factors appear in 124?

Explanation opens after your attempt
Correct Answer

A. 2 और 312 and 31

Step 1

Concept

Write \(124=4\times31\).

Step 2

Why this answer is correct

\(4=2^2\) and 31 is prime, so \(124=2^2\times31\).

Step 3

Exam Tip

The distinct prime factors are 2 and 31. चरण 1: \(124=4\times31\) लिखें। चरण 2: \(4=2^2\) और 31 अभाज्य है, इसलिए \(124=2^2\times31\)। चरण 3: अलग-अलग अभाज्य गुणनखंड 2 और 31 हैं।

Open Question Page
Ask Friends
Question 24/29 Easy Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 6

यदि \(180=2^2\times3^2\times5\), तो 180 में अलग-अलग अभाज्य गुणनखंड कितने हैं?

If \(180=2^2\times3^2\times5\), how many distinct prime factors does 180 have?

Explanation opens after your attempt
Correct Answer

B. 3

Step 1

Concept

Look at distinct prime factors, not their powers.

Step 2

Why this answer is correct

In \(180=2^2\times3^2\times5\), the distinct primes are 2, 3, and 5.

Step 3

Exam Tip

Even with a higher power, count the same prime once. चरण 1: अलग-अलग अभाज्य गुणनखंड देखें, उनकी घात नहीं। चरण 2: \(180=2^2\times3^2\times5\) में अलग-अलग अभाज्य 2, 3 और 5 हैं। चरण 3: घात बड़ी हो तब भी उसी अभाज्य को एक बार गिनें।

Open Question Page
Ask Friends
Question 25/29 Easy Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 5

संख्या 198 में कौन-कौन से अलग-अलग अभाज्य गुणनखंड हैं?

What are the distinct prime factors of 198?

Explanation opens after your attempt
Correct Answer

A. 2, 3 और 112, 3 and 11

Step 1

Concept

Write \(198=2\times99\).

Step 2

Why this answer is correct

\(99=9\times11=3^2\times11\), so the distinct prime factors are 2, 3, and 11.

Step 3

Exam Tip

Write repeated 3 only once in the distinct list. चरण 1: \(198=2\times99\) लिखें। चरण 2: \(99=9\times11=3^2\times11\), इसलिए अलग-अलग अभाज्य गुणनखंड 2, 3 और 11 हैं। चरण 3: दोहराए गए 3 को अलग सूची में एक बार ही लिखें।

Open Question Page
Ask Friends
Question 26/29 Easy Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 5

संख्या 88 में कौन-कौन से अलग-अलग अभाज्य गुणनखंड आते हैं?

Which distinct prime factors appear in 88?

Explanation opens after your attempt
Correct Answer

A. 2 और 112 and 11

Step 1

Concept

Write \(88=8\times11\).

Step 2

Why this answer is correct

\(8=2^3\), so \(88=2^3\times11\).

Step 3

Exam Tip

The distinct prime factors are 2 and 11. चरण 1: \(88=8\times11\) लिखें। चरण 2: \(8=2^3\), इसलिए \(88=2^3\times11\)। चरण 3: अलग-अलग अभाज्य गुणनखंड 2 और 11 हैं।

Open Question Page
Ask Friends
Question 27/29 Easy Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 5

यदि \(168=2^3\times3\times7\), तो 168 में अलग-अलग अभाज्य गुणनखंड कितने हैं?

If \(168=2^3\times3\times7\), how many distinct prime factors does 168 have?

Explanation opens after your attempt
Correct Answer

B. 3

Step 1

Concept

Look at distinct prime factors, not their powers.

Step 2

Why this answer is correct

In \(168=2^3\times3\times7\), the distinct primes are 2, 3, and 7.

Step 3

Exam Tip

Even if a power is large, count that prime once in the distinct list. चरण 1: अलग-अलग अभाज्य गुणनखंड देखें, उनकी घात नहीं। चरण 2: \(168=2^3\times3\times7\) में अलग-अलग अभाज्य 2, 3 और 7 हैं। चरण 3: घात बड़ी होने पर भी उस अभाज्य को अलग सूची में एक बार गिनें।

Open Question Page
Ask Friends
Question 28/29 Easy Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 4

संख्या 150 में कौन-कौन से अलग-अलग अभाज्य गुणनखंड हैं?

What are the distinct prime factors of 150?

Explanation opens after your attempt
Correct Answer

A. 2, 3 और 52, 3 and 5

Step 1

Concept

Write \(150=15\times10\).

Step 2

Why this answer is correct

\(15=3\times5\) and \(10=2\times5\), so the distinct prime factors are 2, 3, and 5.

Step 3

Exam Tip

Write a repeated factor only once in a distinct list. चरण 1: \(150=15\times10\) लिखें। चरण 2: \(15=3\times5\) और \(10=2\times5\), इसलिए अलग-अलग अभाज्य गुणनखंड 2, 3 और 5 हैं। चरण 3: दोहराए गए गुणनखंड को अलग-अलग सूची में एक बार ही लिखें।

Open Question Page
Ask Friends
Question 29/29 Easy Mathematics Chapter 1: Real Numbers 2: Fundamental Theorem of Arithmetic Class 10 Level 4

यदि \(72=2^3\times3^2\), तो 72 में अलग-अलग अभाज्य गुणनखंड कितने हैं?

If \(72=2^3\times3^2\), how many distinct prime factors does 72 have?

Explanation opens after your attempt
Correct Answer

B. 2

Step 1

Concept

Look at distinct prime factors, not their powers.

Step 2

Why this answer is correct

In \(72=2^3\times3^2\), the distinct primes are 2 and 3.

Step 3

Exam Tip

The number of distinct prime factors and total prime factors are different. चरण 1: अलग-अलग अभाज्य गुणनखंडों को देखें, घातों को नहीं गिनें। चरण 2: \(72=2^3\times3^2\) में अलग-अलग अभाज्य 2 और 3 हैं। चरण 3: अलग-अलग गुणनखंडों की संख्या और कुल गुणनखंडों की संख्या अलग होती है।

Open Question Page
Ask Friends
Student Class Required

Select your class first

Quiz questions, daily challenge and practice pages will open according to your selected class. Class 11/12 ke liye stream bhi select karein.