The GCF is 9.
Since 9 is a factor of 18, it is automatically the GCF.
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF, or greatest common factor, of 18 and 63 would be 9.
Since 9 is a factor of 18, it is automatically the GCF.
The GCF of 9, 12, and 18 is 3.
THE GCF of 18 and 9 is 9