The GCF is 50.
The GCF is 75.
The GCF is 18.
The GCF of 210 and 450 is 30.
The greatest common factor (GCF) of 180 and 450 is 90.
The GCF is: 450
The GCF is: 45
The GCF is 6.
The GCF of 300 and 450 is 150The GCF is 150.
The GCF is 90.
The GCF is 45.
It is not because 150 is the gcf of 450 and 750: 3*150 = 450 5*150 = 750