Multiple choice

Which of the following sets of numbers are the prime numbers greater than 20 and less than 30?

  1. 23, 37, 29

  2. 23 and 27

  3. 23 and 29

  4. 17 and 19

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Prime numbers between 20 and 30 are 23 and 29.