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The GCF is 9.
GCF(63, 81, 72) = 9.
The Greatest Common Factor (GCF) is: 1
9
The GCF of 49, 63, and 72 is 1.
The Greatest Common Factor (GCF) is: 9
3
It is 9.
The GCF is 3.
The GCF is 1.