51 is composite (3 x !7); the other numbers are primes.
Chat with our AI personalities
24, 51 and 72 are composite numbers 71 is a prime number.
Prime number - 71 is only divisible by whole numbers 1 and itself.
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 71 is prime.
Any number except 61 67 71 73 and 79 which are prime numbers
71 is a prime number