Multiple choice Which of the following sets of numbers are the prime numbers less than 10? 2, 4, 6, 8 1, 3, 5, 7, 9 2, 3, 5, 7 1, 2, 3, 5, 7 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Prime numbers less than 10 are 2, 3, 5 and 7.