Multiple choice general knowledge math & puzzles Which of the following is a composite number: 37, 47, 57, 67? 37 57 67 47 Reveal answer Fill a bubble to check yourself B Correct answer Explanation A composite number has more than two factors. 37, 47, and 67 are prime numbers. 57 is composite because it is divisible by 3 and 19 (3 * 19 = 57).