36 and 45
or
9 and any multiple of 9
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The Greatest Common Factor (GCF) of 27, 81, and 54 is 27.
The GCF is 27.
The GCF is 27.
The common factors of 27 and 81 are: 1, 3, 9, and 27
The greatest common factor of 81 and 135 is 27.