Question

which numbers are prime numbers?

check all that apply.

3
1
27
9
11
13

Explanation:

Define prime numbers

A prime number is a whole number greater than 1 whose only divisors are 1 and itself.

Analyze each option

• 3: Divisors are 1 and 3. Prime.
• 1: Not greater than 1. Not prime.
• 27: Divisors are 1, 3, 9, 27. Not prime.
• 9: Divisors are 1, 3, 9. Not prime.
• 11: Divisors are 1 and 11. Prime.
• 13: Divisors are 1 and 13. Prime.

Select correct options

The prime numbers are 3, 11, and 13.

Answer:

• 3 (Correct answer)
• 1
• 27
• 9
• 11 (Correct answer)
• 13 (Correct answer)