160 is a composite no. and 19 is a prime no.
19 is prime, 1 is neither prime nor composite.
One is prime, the other two are composite.
19 is prime the only numebr that is neither prime or composite is 1
19 is prime.
It is a prime.
Is 19 a composite or prime factor
21 is composite. 19 and 23 are 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. 19 is prime.
19 is a prime number.
231517 is composite number. 19 is a prime number.
7654321 is a multiple of 19.