227,229
239,241
269,271
281,283
311,313
347,349
419,421
431,433
461,463
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521 and 523
Twin primes between 50 and 100 are {59, 61} and {71, 73}.
Six has four factors and is in between the twin primes 5 and 7.
The only twin primes (prime numbers which differ by 2) between 30 and 60 are (41, 43)
There are four pairs of twin primes between 2 and 35: (5,7) (11,13) (17,19) (29,31).