Multiple choice general knowledge math & puzzles Odd Man Out 3719461 3719470 3719471 3719560 Reveal answer Fill a bubble to check yourself C Correct answer Explanation 3719471 is a prime number, whereas the other three numbers are composite. Specifically, 3719461 is divisible by 7, 3719470 is divisible by 10, and 3719560 is divisible by 10.