Two has two factors, one and itself.
Two factors, one and itself.
A prime number has only two factors which are itself and one.
The set of factors includes one and the number itself. Proper factors do not include those two.
17 has two factors, one and itself.
Two. One and itself.
3 has two factors, one and itself.
89 is prime. It only has two factors, one and itself.
Five has two factors: one and itself.
One and the number itself.
A prime number
Itself and one