The positive integers A, B, A-B, and A+B are all prime numbers. The sum of these four primes is
Answer Choices
A. even
B. divisible by 3
C. divisible by 5
D. divisible by 7
E. prime
The positive integers A, B, A-B, and A+B are all prime numbers. The sum of these four primes is
Answer Choices
A. even
B. divisible by 3
C. divisible by 5
D. divisible by 7
E. prime