The GCF is 128.
The GCF is 1.
The GCF is 4.
The greatest common factor (GCF) of 640 and 256 is 128.
The greatest common factor (GCF) of 256 and 80 is 16.
Since 29 is a factor of 116, it is automatically the GCF.
The GCF is: 1
The GCF is 1.
The GCF is 64.
The GCF is 4.
The GCF is 1.
GCF=4