It is: 4
The greatest common factor (gcf) of 28 and 36 is 9.
The greatest common factor of 12, 28, and 36 is the greatest comon divisor, 4. The other common factors are 1 and 2.
The GCF of 12, 28, and 36 is four.
The GCF is 4.
1
4
It is: 4
The GCF is 1.
The GCF is 4.
It is: 4
The GCF is 4.