Question

find the HCF by listing the factors 64,74 ,84 ​

Answer 1

HCF (64 , 74 , 84)

$64 = 2 \times 2 \times 2 \times 2 \times 2 \times 2 \\ 74 = 2 \times 37 \\ 84 = 2 \times 2 \times 3 \times 7$

2 is common in all factors so HCF of (64, 74,84) is 2 ...

HCF ( 64 , 74 , 84 ) = 2

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