20
The Greatest Common Factor (GCF) is: 20
The GCF is 100.
The GCF is 14.
The GCF is 100.
The greatest common factor of the numbers 180 and 150 is 30.
The GCF is 45.
The GCF is 9.
The GCF is 4.
The GCF is 60.
The GCF is 180.
The GCF is 20.
The GCF is 12.