The GCF is 9.
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The greatest common factor is 63
21
The greatest common factor of the numbers 126 and 8 is 2.
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 78 and 126 is 6
The GCF is 18.