What are the common factors of 5 and 20?

Answer 1

the factors of 5 are 1 and 5

the factors of 20 are 1 2 4 5 10 20

the factors of 45 are 1 3 5 9 15 45

so the common factors are 1 and 5

Answer 2

The common factors of 5 and 20 are 1 and 5.

Answer 3

Common factors of 10 and 20 are: 1, 2, 5, and 10.

Answer 4

Since 10 is a factor of 20, all of its factors are common.

Answer 5

The common factors are: 1, 5

Answer 6

1 and 2

Answer 7

1 and 5