The greatest common factor of 21 and 99 is 3.
21's factors are 1,3,and 7
99's factors are 1,3,9,11 33 (there may be more factors of 99).
The highest factor that both number have in common are 3.
The greatest common factor of 29 and 99 is 1
The greatest common factor of 46 , 99 = 1
3 is the greatest common factor of 69 and 99.
The greatest common factor of 99 and 121 is 11
The greatest common factor of 72 and 99 is 9.
The greatest common factor of 4 and 99 is 1.
The greatest common factor of 65 and 99 is 1.
The greatest common factor of 99 and 90 is 9.
The greatest common factor of 97 and 99 is 1.
The greatest common factor of 99 , 75 = 3
The Greatest Common Factor (GCF) of 99 and 22 is 11.
The Greatest Common Factor (GCF) of 99 and 144 is 9