SAT Math Question of the Day

Math Category: Prime Numbers:

Q: How many prime numbers are there between 5 and 19 exclusive?

  1. 2
  2. 3
  3. 4
  4. 5
  5. 6

UNANSWERED.

The correct answer is C.

A: The answer is 4.

The prime numbers between 5 and 19 exclusive are 7, 11, 13, and 17. Remember exclusive means to exclude the numbers at both ends of the range.