The GCF of 81 135 is 27
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Factors for 81 : 3,9,27
Factors for 135: 3,5,9,15,27,45
Hence Greatest Common Factor is 27
The GCF of 14 and 48 is 2. The GCF of 81 and 135 is 27. The GCF of all four is 1.
27 and 486, respectively.
The greatest common factor of 63 and 135 is 9.
The GCF is 2.
The GCF is 45.