Multiple choice

How many prime numbers are there between 1 and 20?

  1. 6

  2. 7

  3. 8

  4. 9

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

Prime numbers between 1 and 20 are: 2, 3, 5, 7, 11, 13, 17, 19. Thus, there are 8 prime numbers between 1 and 20.