are 2 and 3 twin primes?
Usually the pair (2, 3) is not considered to be a pair of twin primes. ... The first few twin prime pairs are: (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), (71, 73), (101, 103), (107, 109), (137, 139), …