List the factors.
The factors of 21 are:
1, 3, 7, 21
The factors of 24 are:
1, 2, 3, 4, 6, 8, 12, 24
The factors of 27 are:
1, 3, 9, 27
The common factors are:
1, 3
The Greatest Common Factor:
GCF = 3
21 and 84
The greatest factor of 21 and 16 is 21, which is a factor of 21 but not of 16.
The greatest common factor of 21 and 322 is 7.
The greatest common factor of 77 and 21 is 7
The greatest common factor of 21 and 75 is 3.
21 and 84
The greatest common factor of 21 and 651 is 21.
The greatest factor of 21 and 16 is 21, which is a factor of 21 but not of 16.
The greatest common factor of 21 and 175 is 7.
The greatest common factor of 21 and 162 is 3.
The Greatest Common Factor of 14 and 21 is 7.
The greatest common factor of 5 and 21 is 1
The greatest common factor of 21 and 56 is 7.
The greatest common factor of 21 and 26 is 1.
The greatest common factor of 21 and 102 is 3.
The greatest common factor of 21 and 77 is 7.
The Greatest Common Factor of 21, 9 is 3.