It is: 2
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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 2.
The HCF of both numbers is 2
the HCF is 6
HCF is the highest common factor of two or more numbers. HCF of 12 and 54 is 6.