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Anonymous
the HCF is 6
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LCM = product/HCF; HCF is 6 so LCM = 12 x 42 = 504
hcf(12, 36, 42) = 6 12 = 22 x 3 36 = 22 x 32 42 = 2 x 3 x 7 hcf = 2 x 3 = 6
The GCF is 42.
It is: 14
The HCF is 14.