Answer:
prime numbers: 3, 23
Step-by-step explanation:
-definition of prime number: a number that has factors one and itself hence 3 and 23 are prime numbers
-1 is not a prime number
-the rest of the numbers are composite numbers, i.e. they have multiple factors
Answer:
Step-by-step explanation:
1 is composite.
3 is a prime.
8 is composite: (1, 2, 4, 8)
15 is composite: (1, 3, 5, 15)
18 is composite: (1, 2, 3, 6, 9, 18)
23 is prime.
28 is composite: (1, 2, 4, 7, 14, 28)
33 is composite: (1, 3, 11, 33)
Solution: 3, 23
