gcf(14, 84, 28) = 14
14 = 2 x 7
84 = 2^2 x 3 x 7
28 = 2^2 x 7
hcf = 2 x 7 = 14
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The GCF is 7.
The GCF is 28.
If that's 28, 56 and 84, the GCF is 28. If that's 2856 and 84, the GCF is 84.
The GCF is 14.
The GCF of 28, 84, and 91 is 7.