The GCF is 3.
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 is 39.
The GCF of 30 and 66 is 6.
The GCF is: 6.
The GCF is 6.
The GCF is 3.
The GCF is 1.
The GCF is 66.