Only 63.
0 and 1 are not composite numbers and are not prime numbers (even though 1 used to be).
19 is a Prime number.
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It is 63 because it has more than two factors
Because when you multiply the numbers 7 and 9 together you get 63, so it has more factors than just itself and 1, making it composite.
0 is a composite number. 5 is prime.
15, 49, 55, 87, 91,105 are the composite numbers.
There are more composite numbers. 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.