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Subjects
Class 10MathematicsReal NumbersHCF and LCM using prime factorisationEasyLevel 11

What is the HCF of (72) and (120)?

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Answer and explanation

Correct answer: (24)

Step 1: (72=2^3\times3^2) and (120=2^3\times3\times5). Step 2: The smaller powers of common factors are (2^3) and (3). Step 3: (8\times3=24), so the HCF is (24).

Tags

real-numbershcfprime-factorisation

Frequently asked questions

What is the correct answer to this question?

(24)

Why is this the correct answer?

Step 1: (72=2^3\times3^2) and (120=2^3\times3\times5). Step 2: The smaller powers of common factors are (2^3) and (3). Step 3: (8\times3=24), so the HCF is (24).

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: HCF and LCM using prime factorisation.

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