The GCF is 1.
Because 28 and 33 don't share any prime factors. In that case, the GCF is 1.
33 = 3x11 288 = 2x2x2x2x2x3x3 gcf = 3
The GCF is: 1
The GCF is 33.
66
The GCF of 33 and 66 = 33
The GCF is 33.
The GCF is 33.
The GCF is 1.
The GCF is 11.
The GCF is 3.