The greatest common factor of ten and twenty is ten.
The greatest common factor (GCF) for twenty-one and seventy-two is three.
The greatest common factor (GCF) is: 1
The Greatest Common Factor (GCF) is: 5
The GCF is 1.
The answer is 4.
The GCF is 1.
The GCF is 2.
The GCF is 4.
21
The GCF is: 8
Three