What are the factors of 72 and 325?

The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.
The prime factors of 72 are: 2 and 3.

The factors of 325 are: 1, 5, 13, 25, 65, and 325.
The prime factors of 325 are: 5 and 13.