Riddle: Dean Sam and Castiel are three brothers. Interestingly their current age is prime. What’s more interesting that difference between their ages is also prime. How old are they?
Answer: Sam: 2; dean: 5; castiel: 7. Age diff 7 2 = ‘5’ is prime; 7 5 = ‘2’ is prime; 5 2 = ‘3’ is prime.