prime
61 is prime
31 and 61 are prime, the rest composite.
neither prime or composite
61 is a prime number
51 composite, 61 prime.
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. 61 is prime.
61 is prime.
61 is prime.
All are prime numbers except 1. 1 is neither prime nor composite.
It is 1 that is neither a prime or a composite number The number 1 is neither prime nor composite.
ANSWER: One is neither prime nor composite.
1 and 0 are neither composite or prime numbers