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Question Expert Mathematics Chapter 1: Real Numbers 3: Prime factorisation Class 10 Level 7

यदि \(A=2^3\times3^5\) और \(B=2^5\times3^2\), तो (A) और (B) के महत्तम समापवर्तक के कुल गुणनखंड कितने हैं?

If \(A=2^3\times3^5\) and \(B=2^5\times3^2\), how many factors does the HCF of (A) and (B) have?

Explanation opens after your attempt
Correct Answer

A. (12)

Step 1

Concept

HCF uses the smaller exponents.

Step 2

Why this answer is correct

HCF \(=2^3\times3^2\). Its number of factors is ((3+1)(2+1)=12).

Step 3

Exam Tip

First find the HCF, then count its factors. चरण 1: महत्तम समापवर्तक में छोटी घातें ली जाती हैं। चरण 2: महत्तम समापवर्तक \(2^3\times3^2\) होगा। इसके गुणनखंड ((3+1)(2+1)=12) होंगे। चरण 3: पहले महत्तम समापवर्तक निकालें, फिर उसके गुणनखंड गिनें।

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