three is prime nine equals three times three
It is 3
Yes. Any time three is a factor, it is a prime factor.
Nine cannot be a prime factor of any number because it is not a prime number.
3 is the prime factor of 9.
Yes. Nine has one prime factor: 3
9 is not a prime factor, but it does have one prime factor, which is three. Prime factors are factors of a number that are prime.
36 according to the factor tree
30 has three prime numbers and is a factor of 60.
Three.
15 is not a prime number, so it can't be a prime factor.
Both are prime numbers