Question

Find the hcf by prime factor method for 56,70

Answer 1

56

2 × 23

70

2 × 5 × 7

common

2

hcf

2

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Answer 2

Answer:

$56 = 2 \times 2 \times 2 \times 7 \\ 70 = 7 \times 2 \times 5 \\ therefore \: \: \: hcf \: \: \: is \: \: 7 \times 2 = 14$

Step-by-step explanation:

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