82 is prime
15 is 3 x 5, so it is not prime
52 is composite. 2 x 2 x 13 = 52
29 is prime but 39 is composite
39 is prime because no number can go into it.
41 is prime
53 is a prime number
composite
Composite
82 is prime
Is 11 a prime or composite
15 is 3 x 5, so it is not prime
Prime numbers have only two factors whereas composite numbers have more than two factors
52 is composite. 2 x 2 x 13 = 52
A prime number has exactly two factors, 1 and itself. A composite number has more than two factors.
13 is the prime number of 39
39 is not a prime; it is a composite number.