What numbers 2 have 5 factors?

Answer 1

That could either be "What numbers have 5 factors" or "What numbers have 2 and 5 as factors."

Prime numbers to the fourth power, like 16 and 81, have 5 factors.

Any multiple of 10 has 2 and 5 as a factor.

Answer 2

2,3,5,7,and 11are examples

they are prime, and only have one and itself.