5 and 79
11 and 73
13 and 71
17 and 67
23 and 61
31 and 53
37 and 47
41 and 43
(2,3) and (2,5) are the two pairs such that the sum of their elements is a prime number.
2+3,11+3,3+17
6
There 4 pairs of primes that can give a sum 40 in addition. They are (3,37), (11,29), (17,23),(19,21).
2 and 41.
(2,3) and (2,5) are the two pairs such that the sum of their elements is a prime number.
2+3,11+3,3+17
11 and 31 13 and 29 and 19 and 23
6
There are two pairs of prime numbers that express 18 as the sum of two prime numbers: 7 + 11 = 18 and 5 + 13 = 18.
There are 3 pairs of prime numbers with sum of 36. These are: (31, 5), (29, 7), (23, 13), & (19, 17) Hope this helps! :D
There 4 pairs of primes that can give a sum 40 in addition. They are (3,37), (11,29), (17,23),(19,21).
They are 2 and 29
2 and 41.
They are 2 and 17
2 and 5
They are 11 and 2