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The GCF is 4.
gcf of 40 and 28 is 4.
The GCF is 14.
The GCF is 40.
GCF(14, 28, 21) = 7
GCF(14, 28, 42) = 14.
4
16 = (2)(2)(2)(2)28 = (2)(2)(7)40 = (2)(2)(2)(5)(2)(2) = 4
It is: 4
Gcf = 4 lcm = 560