Problem:
The sum of two prime numbers is . What is the product of these two prime numbers?
Answer Choices:
A.  
B.  
C.  
D.  
E.  
Solution:
The sum of two odd primes is an even number. Since the sum is odd, one of the primes must be , which is the only even prime. The two primes are and , so the product is .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions