Common factors of 60 and 45 are: 1, 3, 5, and 15.
The GCF is 15.
The common factors of 35 and 45 are: 1 and 5
The common factors of 24 and 45 are: 1 and 31 and 3
The factors of 45 are 1, 3, 5, 9, 15, 45. For them to be common, they need to be compared to another set of factors.
Since 45 is a factor of 900, all of its factors are common.
The common factors of 18 and 45 are 1, 3 and 9.
The common factors of 45 and 54 are: 1, 3, and 9
The common factors of 45 and 108 are: 1, 3 & 9.
Since 45 is a factor of 90, all of its factors are common.
The common factors of 45 and 63 are 1, 3, and 9.
Common factors of 45 and 999 are: 1, 3, and 9.
25, 27, and 45 share no common factors aside from 1.