The GCF is 5.
No idea what the gfc is but GCF(35, 45) = 5.
450
5
The GCF of 90 and 180 is 90.
15, 30, 45, 60, 75, 90, 105, 120,135,15015, 30, 45, 60, 75, 90, 105, 120, 135, 150.
The GCF is 3.
The GCF is 15.
The GCF is 45.
25 is the GFC of 150 and 525.
The GCF is 30.
The GCF is 15.