twin prime
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English
Noun
twin prime (plural twin primes)
- (mathematics) Either of a pair of prime numbers that differ by two.
- 5 and 7, and 191 and 193, are pairs of twin primes.
Usage notes
- 2 and 3 are not generally considered to be twin primes, although they appear in a cluster, since 2 is the only even prime number so two consecutive prime numbers cannot differ by 1.
Translations
either of a pair of prime numbers that differ by two
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See also
References
- ^ http://www.xn--st-2ia.is/os/leita/prime%20pair
- ^ Icelandic Web of Science: Til hvers notum við frumtölur? (“What are prime numbers good for?”)