27
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The GCF is 27.
The GCF is 27.
The GCF of 81 and 135 is 27.81= 1x81,3x27 135= 1x135, 5x27The factors of 81 are:1, 3, 9, 27, 81The factors of 135 are:1, 3, 5, 9, 15, 27, 45, 135The common factors are:1, 3, 9, 27The Greatest Common Factor:GCF = 27
The GCF is 18.
The GCF is 3.