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The GCF is 9.
GCF of 63 and 99 is 9.
The GCF is: 63
The Greatest Common Factor is 3
The greatest common factor of 63 and 135 is 9.
The GCF is 21
The GCF is 3.
The GCF is 1.
The GCF is 99.
The GCF is 21.
The GCF is 63.