There is not such a thing as a composite prime number. A prime number has exactly two factors. A composite number has more than two factors.
Factors can be prime or composite. The factors of 30 are 1,2,3,5,6,10,15 and 30. Of these, 3 and 5 are prime. The rest are composite except for 1, which is neither.
Some factors are prime numbers, some are composite.
composite has more than 2 factors and prime has 2 factors
1 and any factors that are themselves composite since none of these are prime.
519 is prime, not composite.
They are both prime factors
The factors of 11 are 1 and 11. 11 is prime, 1 is neither prime nor composite.
Every natural number above one is either prime or composite, if it is prime, its only factors are itself and 1, if it is composite it has additional factors beyond that.