Muft Shiksha
Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
Class 10MathematicsReal NumbersPrime FactorisationExpertLevel 9

Which prime factor is not common to (2^3 \times 3^2 \times 5) and (2^2 \times 3 \times 7)?

Advertisement

Answer and explanation

Correct answer: (5)

Step 1: The prime factors of the first number are (2,3,5). Step 2: The second number has (2,3,7), so (5) is not common. Step 3: To check common factors, compare the prime bases.

Tags

real-numbersprime-factorisationcommon-prime-factorsexpert

Frequently asked questions

What is the correct answer to this question?

(5)

Why is this the correct answer?

Step 1: The prime factors of the first number are (2,3,5). Step 2: The second number has (2,3,7), so (5) is not common. Step 3: To check common factors, compare the prime bases.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.

KEEP PRACTISING

10 more MCQs
  1. 1What is the correct meaning of prime factorisation?
  2. 2What is the correct prime factorisation of 12?
  3. 3Which is the prime factorisation of 18?
  4. 4What is the correct prime factorisation of 20?
  5. 5Which is the prime factorisation of 24?
  6. 6What is the correct prime factorisation of 28?
  7. 7Which is the prime factorisation of 30?
  8. 8What is the correct prime factorisation of 36?
  9. 9Which is the prime factorisation of 42?
  10. 10What is the correct prime factorisation of 45?
Report question
Advertisement