What are common factors of 14?

There are not common factors of 14. Common factors are factors that it and another number share - factors they have in common. A single number cannot have common factors.

14 does have factors. Its factors are 1, 2, 7, and 14.

14 and 16 have common factors of 1 and 2.

14 and 21 have common factors of 1 and 7.

14 and 31 have a common factor of 1 only, which means they are relatively prime.

14 and 70 have common factors of 1, 2, 7, and 14.