The greatest common factor of 42 and 66 is 6.
6
The GCF of 24, 42, and 66 is 6.
The GCF is 6.
The GCF is 6.
Greatest common factor of 66 and 66 is 66.
The GCF is 6.
The greatest common factor of 42 and 66 is 6.
The GCF of 24, 42, and 66 is 6.
The GCF is 6.
The GCF is 6.
The GCf is 6.
The GCF is 6.
The GCF is 6.
Greatest common factor of 66 and 66 is 66.
If you mean the greatest common divisor (or factor), the answer is 6