What are the common factors of 45 and 60
The factors of 45 are1, 3, 5, 9, 15, 45The factors of 60 are1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60The common factors are the factors shared by both numbers, so1, 3, 5, 15
1,3,5,16 I think are both the common factors of 45 and 60