Question

How many even integers greater than or equal to 2 and less than 20 are

equal in value to the sum of two prime numbers?

Answer 1

8

Explanation:

Of those 9 even integers, 8 can be written as the sum of two prime numbers.

4 = 2+2; 6 = 3+3; 8 = 3+5; 10 = 5+5; 12 = 5+7; 14 = 7+7; 16 = 5+11; 18 = 7+11