Difference between revisions of "Twin primes"
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All twin primes except (3, 5) are of the form 6n +/- 1.<ref>http://mathworld.wolfram.com/TwinPrimes.html</ref> | All twin primes except (3, 5) are of the form 6n +/- 1.<ref>http://mathworld.wolfram.com/TwinPrimes.html</ref> | ||
| − | Proving that there are infinitely many twin primes is one of the great unsolved problems in [[mathematics]]. | + | Proving that there are infinitely many twin primes (the [[twin prime conjecture]]) is one of the great unsolved problems in [[mathematics]]. |
== References == | == References == | ||
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[[category:mathematics]] | [[category:mathematics]] | ||
| + | [[Category:Prime Numbers]] | ||
Revision as of 01:24, November 16, 2008
Twin primes are pairs of prime numbers separated by only 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.