51 is a composite number 3 x 17 = 51
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
It is composite.
composite
It is composite.
51 is a composite number but 61 is a prime number
24 and 51 are composite, 3 is prime.
41 is prime. 51 is composite. 51=3 x 17 . 71 is prime. 81 is composite. 92 91 is composite. 91 = 7 × 13