The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60. For them to be common, they need to be compared to another set of factors.
All the factors of 30.
The common factors are: 1, 3, 5, 15.
The common factors are: 1, 2, 4.
Since 30 is a factor of 60, all of its factors are common.
28
28
Any of the factors up to 60 can be common.
The common factors of 60 and 231 are 1 and 3.
The common factors of 32 and 60 are 1, 2 and 4.
Common factors of 52 and 60 are 1, 2 and 4.
The common factors of 60 and 105 are: 1, 3, 5, and 15
The common factors of 42 and 60 are: 1, 2, 3, and 6