The greatest common factor between 9 and 3 is 3. 3 x 1 = 3 and 3 x 3 = 9.
The GCF is 1.
63
63
Since 3 is a factor of 42, it is automatically the GCF.
9 * 9 = 81 and3*3*3*3 = 81
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF is 9.
27 - 12 = 15
2,and3
The GCF is 9.