The GCF is 3.
The least common factor of any set of positive integers is 1.
LCF? lowest common factor? Don't you mean highest common factor? The lcf usually has no meaning: it is 1
The Greatest Common Factor (GCF) is: 9
The Greatest Common Factor (GCF) is: 9
The greatest common factor of 9 , 8 = 1
The greatest common factor of 9 and 25 is 1
The Greatest Common Factor of 9, 23 is 1.
The greatest common factor of 9 and 620 is 1.
The greatest common factor of 9 and 618 is 3
The Greatest Common Factor of 81, 108, 117: 9
The Greatest Common Factor of 60, 21, 9: 3