Multiple choice general knowledge

Tick the odd.

  1. 37

  2. 47

  3. 57

  4. 67

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

57 is the only non-prime number in the list. It's divisible by 3 (57 = 3 × 19). The numbers 37, 47, and 67 are all prime numbers - they have no divisors other than 1 and themselves.