They are 2 and 29
2 and 41.
They are 2 and 17
They are 11 and 2
2 and 5
No.
(2,3) and (2,5) are the two pairs such that the sum of their elements is a prime number.
2 and 3.
number of pairs of odd numbers whose sum is 32: 8pairs of odd numbers whose sum is 32:1, 313, 295, 277, 259, 2311, 2113, 1915, 17
61 and 23.
There are four pairs of prime integers whose sum is 80. They are: (7, 73) (13, 67) (19, 61) (37, 43)
17, 53, 71