Question

find HCF by prime factorization method.... 64 and 320​

Answer 1

Answer:

Hi..!!

320 = 2 x 2 x 2 x 2 x 2 x 2 x 5

64 = 2 x 2 x 2 x 2 x 2 x 2

✳️ HCF of 64 and 320 is 2x2x2x2x2x2

= 72

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Answer 2

Answer:

64 = 1 × 2 × 2 × 2 × 2 × 2 × 2.

80 = 1 × 2 × 2 × 2 × 2 × 5.

Common factor of 64 and 80 = 1, 2, 2, 2, 2.

Highest common factor of 64 and 80 = 2 × 2 × 2 × 2 = 16.