The GCF is 2.
The greatest common factor of ten and twenty is ten.
The greatest common factor (GCF) is: 1
The greatest common factor (GCF) for twenty-one and seventy-two is three.
The GCF is 16.
The answer is 4.
The GCF is 1.
The Greatest Common Factor (GCF) is: 5
The GCF is 4.
21
The GCF is 1.
There are no common or greatest common factor(s) of just one number. In order to find the common or greatest common factor(s) you need two or more numbers.
The greatest common factor of 40x2 and 20x7 is 20x2