Expert Mathematics Chapter 1: Real Numbers Class 10 Level 12

तीन संख्याओं के अभाज्य गुणनखंड \(2^3\times3^4\times13\), \(2^5\times3^2\times5^2\) और \(2^2\times3^5\times7\) हैं। उनका लघुत्तम समापवर्त्य क्या होगा?

The prime factorisations of three numbers are \(2^3\times3^4\times13\), \(2^5\times3^2\times5^2\), and \(2^2\times3^5\times7\). What will be their LCM?

Explanation opens after your attempt
Correct Answer

A. \(2^5\times3^5\times5^2\times7\times13\)

Step 1

Concept

LCM takes the highest power of every prime present.

Step 2

Why this answer is correct

The highest powers are \(2^5\), \(3^5\), \(5^2\), (7), and (13).

Step 3

Exam Tip

A prime appearing in only one number must also be included. चरण 1: लघुत्तम समापवर्त्य में हर उपस्थित अभाज्य की सबसे बड़ी घात ली जाती है। चरण 2: बड़ी घातें \(2^5\), \(3^5\), \(5^2\), (7) और (13) हैं। चरण 3: जो अभाज्य केवल एक संख्या में हो, उसे भी शामिल करना जरूरी है।

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What is the correct answer to this Mathematics MCQ?

The correct answer is A. \(2^5\times3^5\times5^2\times7\times13\).

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