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twin primes

   Also found in: Wikipedia 0.01 sec.
twin primes [¦twin ′prīmz]
(mathematics)
A pair of prime numbers that differ by 2.


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Since then more than 100,000 twin primes have been discovered.
These are called twin primes and from the Sieve we can see that the twin primes less than 60 are (3,5) (5,7) (11,13) (17,19) (29,31) and (41,43).
Whether there are infinitely many twin primes remains one of the major unsolved questions in number theory.
 
 
 
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