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The Greatest Common Factor (GCF) of 64 and 72 is 8.
72 / 64 = 1 r 8 64 / 8 = 8 r 0 GCF of 72 and 64 is 8.
GCF(72, 56, 64) = 8
The GCF is 2.
The GCF is 8.
The GCF is 1.
The GCF is 4.
GCF(72, 64, 32) = 8
8
It is: 8
The GCF of 8, 64, and 72 is 8.