What are the factors and prime factors of 12 and 18?

Answer:
Factors for 12 are: 1, 2, 3, 4, 6, 12
Factors for 18 are: 1, 2, 3, 6, 9, 18

Out of these 2 and 3 are the prime factors.
First answer by Anandvijayakumar. Last edit by .r3d.n1nja.. Contributor trust: 4 [recommend contributor recommended]. Question popularity: 2 [recommend question].