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The GCF is 3.
GCF of 63 and 123 is 3.
The GCF is: 63
The GCF is 21.
63 divided by 123 and simpliflied = 0.5121951219512195
The GCF is 9.
The GCF is 7.
The GCF is 1.
The GCF is 63.