The GCF is 100.
The GCF is 50.
The GCF is 300.
The GCF is 75.
The GCF is 20.
The GCF is 12.
The GCF is 50.
The GCF of 120 and 300 is 60.
The GCF of 300 and 5 is 5.
The GCF of 500 and 13 is 1.
The GCF is 12.
GCF(108, 300) = 12.
The Greatest Common Factor (GCF) of 500 and 1,000 is 500.