The GCF is: 1
gcf of 115 and 207 is 23.
gcf of 138 and 207 is 69.
The GCF is 1.
The GCF is 128.
gcf(116, 256) = 4.
The greatest common factor (GCF) of 256 and 80 is 16.
The greatest common factor (GCF) of 640 and 256 is 128.
The GCF is 1.
The GCF is 9.
The GCF is 1.
The GCF is 64.
23 115/23=5 207/23=9