You need at least two numbers to find a GCF.
The GCF is 18.
The GCF is 18.
The GCF is 18.
The GCF for 612 and 18 is 18
The GCF is 18.
It would be 18.
The GCF is 9.
GCF is 18:54 = 18 x 372 = 18 x 490 = 18 x 5
The GCF is: 18
The GCF is 18.
The GCF is 18.
The GCF of 18 and 36 is 18.