Composite, for it has four positive integer divisors, 1, 3, 9, 27. To be a Prime number, it needs to have only two integer divisors, 1 and itself.
27 is composite.
The number 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