You need at least two numbers to find a GCF.
28
The greatest common factor is 4
28
The greatest common factor of 12, 28, and 36 is the greatest comon divisor, 4. The other common factors are 1 and 2.
The greatest common factor of 63, 28 and 42 is: 7
The Greatest Common Factor is four.
The Greatest Common Factor is 14.
The Greatest Common Factor is seven.
The Greatest Common Factor is four.
The greatest common factor is 14.
The GCF of 28 & 140... is 28 !
The common factors are: 1, 2 The Greatest Common Factor (GCF) is: 2