Common factors of 45

Common factors of 45 are 1, 3, 5, 9, 15 and 45

Step-by-step explanation:

To find each of these, we have to look for numbers that 45 is equally divisible by.

45/1 = 45

45/3 = 15

45/5 = 9

45/9 = 5

45/15 = 3

45/45 = 1

There are no other whole number that go into 45 that produce whole number answers.

1,45,5,9 Those are factors of 45