I think its four...
60 div. 4 equals 15
56 div. 4 equals 14.
4
The gcf 0f 28, 56, and 60 is 4.
The GCF is 4.
The GCF is 4.
The GCF of 56, 60, and 64 is 4.
The GCF is 4.
The GCF is 4.
The GCF is 4.
The GCF is 4.
The gcf is 4. 28=4*7 56=4*2*7 60=4*15
The GCF is 56.
GCF of 175 and 56 is 7.
gcf of 56 and 45 is 1.