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.
160 is a composite no. and 19 is a prime no.
21 is composite. 19 and 23 are prime.
231517 is composite number. 19 is a prime number.
19 is prime, 1 is neither prime nor composite.
One is prime, the other two are composite.
7654321 is a multiple of 19.
21 is composite.
Composite.Composite.Composite.Composite.
133 is composite. Its factors are 1 7 19, and 133.
95 is composite, 5 goes into 95
19 is a prime number
Yes