The greatest common factor is 1.
The GCF is 33.
66
The factors of 28 are 1, 2, 4, 7, 14, 28. The factors of 33 are 1, 3, 11, 33. So the GCF is 1.
The GCF of 33 and 66 = 33
The GCF is 1.
The GCF is 33.
The GCF is 33.
The GCF is 11.
The GCF is 33.
The GCF is 3.
The GCF of 33 and 96 is 3.
The GCF is 3.