Is 28 prime or composites

Answer 1

28 is composite. Its factors are 1, 2, 4, 7, 14 and 28. Since it has factors other than 1 and itself, it is not prime - it is composite.

Its prime factors are 2×2×7.
28 is an even number greater than 2. It is a composite number.
28 is composite.

Answer 2

28 is composite. All even numbers greater than two are composite. 28 = 4 x 7 so it's not a Prime number

Answer 3

28 is composite.

Answer 4

Hi