7 is a Prime number; its only prime factor is 7.
31 is a prime number. Its only prime factor is 31.
Only one - which is repeated.
The only prime factor of 16 is two.
No, only two.
7 is a prime number; its only prime factor is 7.
You cannot make any composite number prime number because prime only has 2 factors.
53 is itself a prime so its only prime factor is 53.
7 is a Prime number; its only prime factor is 7.
31 is a prime number. Its only prime factor is 31.
Small words make a difference. No prime number "has" a factor of 16. But 2 is the only prime number that "is" a factor of 16.
The only prime factor of 25 is 5.
2 is the only prime factor of 16.
Only one - which is repeated.
The only prime factor of 16 is two.
prime number
A prime number has only two factors which are itself and one.