12 isn't a prime factor, since it has 2, 3, 4, & 6 to multiply.
The prime factors of 12 are 2 and 3. The only prime factor of 27 is 3. The prime number that both 12 and 27 have as a factor is 3.
A composite factor is a factor that is a composite number, as opposed to a prime factor which is a factor that is a prime number.
No, 12 is not a prime number.
The smallest prime factor of 12 is 2.
Yes. Any time three is a factor, it is a prime factor.
1 and 3
3 is a prime factor of 12 and of 21.
The largest prime factor of 12 is 3. Prime factors of 12 are 2 x 2 x 3.
It depends how its used. 3 is a prime number. 3 is a prime factor of 12.
2 is the smallest prime factor of 12.
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.