The common factors of 72 and 99 are 1, 3, and 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 86 are: 1 and 2
The common factors of 72 and 123 are: 1 and 3
The common factors of 55 and 99 are: 1 and 11
The common factors of 72 and 81 are: 1, 3, and 9
Since 12 is a factor of 72, all of its factors are common.
Common factors of 81 and 72 are: 1, 3, and 9.
1,2,3,4,6,8,9,12,18,24,36 and 72
The common factors of 36 and 99 are: 1, 3, 9
The common factors of 81 and 99 are: 1, 3, 9
There are no common factors of 72 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The prime factors of 72 are 2, 2, 2, 3, and 3.
The common factors of 16 and 72 are 1, 2, 4, 8