Question

Find the HCF of 36 ,16and 42​

Answer 1

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$hcf \: of \: 36 \: \: 16 \: \: \: and \: 42 \: \: \: are$

$36 = 2 \times 2 \times 3 \times 3 \\ 16 = 2 \times 2 \times 2 \times 2 \\ 42 = 2 \times 3 \times 7$

$here \: the \: only \: common \: factor \: is \: 2$

$so \: the \: hcf \: is \: 2$