0
Wiki User
The GCF is 4.
GCF(12, 28) = 4.
The GCF of 12, 4, and 28 is 4.
GCF(4412, 28) = 4.
The GCF of 4, 12, and 28 is 4.
2
12 = 1,2,3,4,6, 28 = 1,4,7 So the greatest common factor is
4
It is: 4
The GCF of 12, 28, and 30 is 2