The common factors of 72 and 99 are 1, 3, and 9
The greatest common factor of 72 and 99 is 9.
The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 The factors of 99 are: 1, 3, 9, 11, 33, 99
The common factors of 72 and 96 are 1,2,3,4,6,8,12,24
The common factors of 72 and 86 are: 1 and 2
The common factors of 15 and 72 are 1 and 3.
The common factors of 72 and 123 are: 1 and 3
The common factors of 55 and 99 are: 1 and 11
1,2,3,4,6,8,9,12,18,24,36 and 72
Common factors of 81 and 72 are: 1, 3, and 9.
Since 12 is a factor of 72, all of its factors are common.
The common factors of 9 and 72 are 1, 3 and 9.
Since 8 is a factor of 72, all of its factors are common.