The GCF is 3.
The GCF is 3.
The GCF is 3.
The greatest common factor of 51, 66, and 39 is 3. Work shown below 51 = 3 * 17 66 = 2 * 3 * 11 39 = 3 * 13
The GCF is 66.
The GCF of 30 and 66 is 6.
The GCF is: 6.
The GCF is 6.
The GCF is 1.
The GCF is 66.
The GCF is 1.
The GCF is 6.
The GCF is 3.