The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54
The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
The factors of 126 are: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
The common factors are: 1, 2, 3, 6, 9, 18
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The GCF is 18.
The GCF is 6.
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 GCF is 18.
The greatest common factor of the numbers 54 and 30 is 6.