Factors of 8: 1, 2, 4, 8
Factors of 12: 1, 2, 3, 4, 6, 12
Factors of 4: 1, 2, 4
GCF (8, 12, 4) = 4
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The greatest common factor of 12 and 20 is 4
The greatest common factor of 12 and 16 are 4.
The correct answer is B. The greatest common factor of 24 and 64 is 8.
The greatest common factor of 12 and 52 is 4. 52/4 = 13 12/4 = 3
The GCF of 4, 12, and 20 is 4The GCF is: 4