The GCF is 3.
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 and 25 is 1
The greatest common factor of 9 , 8 = 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