+0  
 
0
42
1
avatar+311 

Which of the following is the sum of two prime numbers?

 

 

Answer Choices

A.11

B.17

C.23

D.31

 Jan 23, 2019
 #1
avatar+3830 
+1

The sum of two prime numbers is always even if the number two is not included. Since the values on the list are all odd, one of the numbers has to be two. (D) fits the scenario since 29+2=31 and 29 is prime. The other numbers will be composite when two is subtracted from it.

 Jan 23, 2019

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