Prime factor each number and multiply all the numbers that are in both numbers.
30=2x3x5
85=5x17
5 is in both
The GCF is 5.
The GCF is 5.
the GCF would be 5
The GCF is: 5
The GCF is 5.
The GCF of 1225 and 85 is 5. The GCF of 12, 25 and 85 is 1.
The GCF is 5.
The GCF is 5.
The GCF is 1.
The GCF is 1.
The GCF is 5.
The GCF is 5.