3
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers. The greatest common factor of 12 and 27 is 3
3
The GCF is 3.
The GCF is 3
The GCF is 1.
The GCF is 3.
The GCF is 3.
The GCF is 3.
The GCF is 3.
3 and 108, respectively.
12