Question

Which number is a factor of both 20 and 35?

Answer 1

Here see you self 20= 1 2 4 5 10 20 35= 1 5 7 35

Answer 2

Find the factors of 20 and 35.

20:

1, 2, 4, 5, 10, 20

35:

1, 5, 7, 35

1 and 5 are both factors of 20 and 35.