Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54
Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Factors of 126: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
GCF (54, 72, 126) = 18
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The GCF is 6.
The GCF is 18.
The greatest common factor, (GCF).Factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54.Factors of 126 are 1, 2, 3, 6,9, 18, 14, 21, 42, 63, and 126.The GCF is 9.
The greatest common factor of 54 and 80 is 2