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.
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
The smallest prime factor of 195 is three.
No. 127 is a prime number
The prime factorization of 81 is: 3 X 3 X 3 X 3
Three is 33's lowest prime factor.
4,564 has three prime factors: 2, 7 and 163.
The smallest prime factor for 2,049 is three (3).
9 is a composite number but 3 is a prime number