Nine cannot be a prime factor of any number because it is not a Prime number.
9 is a factor of 36, but it is not prime.
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.
9 is not prime, so it is not a prime factor of 72, great or otherwise.
9 is not a prime number.
The prime factor of 9 is 3. For it to be common, it needs to be compared to another set of prime factors.
The only prime factor of 9 is 3.
9 isn't a prime number.
1.5
3 is the prime factor of 9.
The factors of 9 are: 1, 3, and 9.The only prime factor of 9 is: 3.The factors of 27 are: 1, 3, 9, and 27.The only prime factor of 27 is: 3.
All numbers have factors. Some numbers have some of the same factors as other numbers. These are common factors. If the factor is a prime number, it is a common prime factor. 3 is a prime number. 3 is a factor of 9. 3 is a factor of 12. 3 is a common prime factor of 9 and 12.
Numbers that have no common factor like 8 and 9 as 8=23 and 9=32 The two of them are not prime but they have no common factor