is-3-a-factor-of-2

is 3 a factor of 21 is 3 a factor of 25 is 3 a factor of 29 is 3 a factor of 24 is 3 a factor of 28 is 3 a factor of 20 is 3 a factor of 27 is 3 a factor of 26 is 3 a factor of 2001 is 3 a factor of 285