It is composite.
composite
It is composite.
51 is not a prime nor is it a square number. I regret that I have no idea what "comoste" means.
51 composite, 61 prime.
51 is composite.
51 is composite. Becasuse 17 x 3 = 51 It is two prime numbers multiplied together to make a composite.
51 is composite, 103 is prime.
prime
prime
51 is a composite number 3 x 17 = 51
51 is a composite number but 61 is a prime number