Which of the following cannot be the sum of 3 different prime numbers?
Choose the correct choice from the following answers.
A) 10 B) 13 C) 14 D) 15 E) 19
Since the options given here are small, we can try the brute fore method.   Option A: 10 = 2+3+5. Sum of 3 different prime numbers.   Option B: 13. This cannot be expressed as a sum of 3 different prime numbers   Option C: 14 = 2 + 5 + 7. Sum of 3 different prime numbers   Option D: 15 = 3 + 5 + 7. Sum of 3 different prime numbers   Option E: 19 = 3 + 5 + 11. Sum of 3 different prime numbers   Correct Option: 13
<result>B</result>
Which of the following cannot be the sum of 3 different prime numbers?