Factors of 9: 1, 3, 9
Factors of 19: 1, 19
GCF (9, 19) = 1
You need at least two numbers to find a greatest COMMONFactor.The greatest COMMON factor for 171 will depend upon the other number(s) with which it has COMMON factors, but it WILL be one of the factors of 171, namely one of: 1, 3, 9, 19, 57, 171
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 and 620 is 1.
The Greatest Common Factor of 9, 23 is 1.
The greatest common factor of 9 and 618 is 3
The Greatest Common Factor of 60, 21, 9: 3
The Greatest Common Factor of 81, 108, 117: 9
The Greatest Common Factor (GCF) is: 9
The greatest common factor of 5 and 9 is 1.