If you mean 300 and 450 then the GCF is 150
The greatest common factor of the numbers 180 and 150 is 30.
GCF of 90 and 75 is 15.
The GCF is 1.
The GCF of 65 and 75 is 5.
The GCF is 15.
The GCF is 75.
If you mean 300 and 450 then the GCF is 150
The GCF is 45.
The GCF is 60.
The GCF is 180.
The GCF is 9.
The GCF is 4.
The GCF is 20.
The GCF is 45.
The GCF is 12.
The GCF is 20.