Question

22
Self Practice 3F
1. Find the HCF of the following numbers by prime factorisation method.a 32,72


(b) 32, 72 answer



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Answer 1

Answer:

Step-by-step explanation:

a. The prime factorization of 32 is: 2 x 2 x 2 x 2 x 2.

The prime factorization of 72 is: 2 x 2 x 2 x 3 x 3.

The prime factors and multiplicities 32 and 72 have in common are: 2 x 2 x 2.

2 x 2 x 2 is the gcf of 32 and 72.

gcf(32,72) = 8.

I hope it helps you.... (Pls mark as brainliest)

Answer 2

Answer:

hcf is 8

Step-by-step explanation:

prime factorization of 32

2×2×2×2×2

prime factorization of 72

2×2×2×3×3

common hcf

2×2×2=8