30 and 15 are both 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 have a different name.
1, 2, 3, 5, 6, 10, 15, 30, composite
15 and 30 are both composite numbers because each has more factors than 1 and the number itself.
30 is composite.
30 is composite.
30 is a composite number. 3 x 10 = 30, 15 x 2 = 30, 30 x 1 = 30, 6 x 5 = 30, etc.
15 is composite.
2 is a prime number and 15 is a composite number.
47 is a prime, the other two are composite.
Composite 1,2,3,5,6,10,15,30
Factors can be prime or composite. The factors of 30 are 1,2,3,5,6,10,15 and 30. Of these, 3 and 5 are prime. The rest are composite except for 1, which is neither.
composite
Composite.