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It is: 14
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HCF of 42 and 98 is 14
3
The HCF is 14.
The HCF of 78, 98 and 168 is 2.
The GCF is 42.
the HCF is 6
7
The GCF is 70.
14. 42 = 2 x 3 x 7 98 = 2 x 72 hcf = 2 x 7 = 14
hcf = 42, lcm = 84.
HCF(56, 98, 168) = 14
The GCF is 14.
The GCF is 21.