It is composite.
27 is composite. 27 = 3 * 3 * 3 = 3315 is composite. 15 = 3 * 521 is composite. 21 = 3 * 723 is a prime number. It is only evenly divisible by itself and one.
The factors of 27 are 1,3,9,27 It's NOT prime it IS composite
It would be impossible to list them all, since numbers go on forever, but here are some of them: 2 - Prime 3 - Prime 4 - Composite 5 - Prime 6 - Composite 7 - Prime 8 - Composite 9 - Composite 10 - Composite 11 - Prime 12 - Composite 13 - Prime 14 - Composite 15 - Composite 16 - Composite 17 - Prime 18 - Composite 19 - Prime 20 - Composite 21 - Composite 22 - Composite 23 - Prime 24 - Composite 25 - Composite 26 - Composite 27 - Composite 28 - Composite 29 - Prime 30 - Composite 31 - Prime 32 - Composite 33 - Composite 34 - Composite 35 - Composite 36 - Composite 37 - Prime 38 - Composite 39 - Composite 40 - Composite 41 - Prime 42 - Composite 43 - Prime 44 - Composite 45 - Composite 46 - Composite 47 - Prime 48 - Composite 49 - Composite 50 - Composite
neither prime or composite
27 is composite.
27 is a composite number.
27 is a composite number having prime factors 3x3x3 or 33.
Composite.
It is composite.
27 and 31 are prime.
3 is prime. Rest are composite.
29
27 and 55 are composite numbers but 13 is a prime number
27 and 18 are both composite numbers. They are multiples of 3.
Both are composite numbers
They are all composite numbers except 43 which is a prime number