Question

The HCF of 42 and 70 is ​

Answer 1

Step-by-step explanation:

42 = 2 × 3 × 7

70 = 5 × 2 × 7

HCF = 7

Answer 2

Step-by-step explanation:

Factors of 42 = 2 x 3 x 7

Factors of 70 = 2 x 5 x 7

Numbers in common = 2,7

Therefore, HCF = 2 x 7 = 14

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