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Anonymous
The GCF is 1.
Wiki User
The GCF for 91 63 is 7.
The GCF is 73.
The GCF of 9, 12, 15 is 3.
gcf(15, 9, 19) = 1.
The GCF is 3.
The GCF of 4, 9, and 15 is 1.