Question

find LCM and HCF
$1 \: \: \: 6 \: \: \: 4$
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Answer 1

Factors of 6 & 4 are

6 = 3 x 2
4 = 2 x 2

Lcm of (1,4,6) = 2 x 2 x 3 => 12

HCF of (1,4,6) = 1