Difference between revisions of "Twin primes"
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Revision as of 11:05, November 16, 2008
Twin primes are pairs of prime numbers whose difference is 2.
The smallest twin primes are (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43).
All twin primes except (3, 5) are of the form 6n +/- 1.[1]
Proving that there are infinitely many twin primes (the twin prime conjecture) is one of the great unsolved problems in mathematics.