Question

What is the Highest common factor of 32,48,72

Answer 1

Answer:

HCF(32,48,72) = 8

Step-by-step explanation:

We have ,

32 = 2×2×2×2×2 = $2^{5}$

48 = 2×2×2×2×3 = 2⁴×3¹

72 = 2×2×2×3×3 = 2³×3²

Now,

HCF(32,48,72) = 2³ = 8

/* Product of the smallest power of each common prime factors of the numbers */

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Answer 2

Given:

First Number = 32

Second Number = 48

Third Number = 72

To Find:

HCF of the numbers 32,48,72

Solution:

Listing factors of 32

1, 2, 4, 8, 16, 32

Listing factors of 48

1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Listing factors of 72

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

Biggest common factor among all three = 8.

Answer: The HCF of 32,48,72 is 8.