23, 29 and 31 are prime, the rest are composite.
17, 19, 23, 29 and 31 are prime. 15, 21, 25 and 27 are composite..
29 and 31 are prime. The rest are composite.
23 and 31 are prime. 36, 62 and 87 are composite.
23, 29 and 31 are prime. The rest are composite.
Composite. Its prime factors are 23 and 31.
25 is the only composite number out of 31, 29, 25, 23.
29 and 31 are prime. The rest are composite numbers.
The prime numbers are 19, 29, 31, and 37. The composite number is 35.
899 is composite. Its factors are: 1, 29, 31, 899
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 are prime numbers. they are not composite numbers.
Prime: 13, 23, 31 Composite: 15, 18, 51, 66, 81
23 and 31 are prime numbers whereas 52 33 60 and 25 are composite numbers.