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单词 mersenne prime
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Mersenne prime
attributive and in the genitive. Designating numbers of the form 2p−1 (where p is a prime number); esp. in Mersenne prime.
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Mersenne1892
Fermat('s) number1906
twin prime1930
pseudoprime1949
Skewes1949
1892 Messenger of Math. 21 40 The riddle as to how Mersenne's numbers were discovered remains unsolved.
1911 Encycl. Brit. XIX. 863/1 Similar difficulties are encountered when we examine Mersenne's numbers, which are those of the form 2p−1, with p a prime; the known cases for which a Mersenne number is prime correspond to p = 2, 3, 5, 7, 13, 17, 19, 31, 61.
1939 J. V. Uspensky & M. A. Heaslet Elem. Number Theory iv. 82 Numbers of the form 2p−1 are called Mersenne's numbers because of a statement made concerning them in the preface to his ‘Cogitata physico-mathematica’, published in 1644.
1943 Amer. Math. Monthly 50 29 The only Mersenne primes which are in section I of their class are 22−1, 23−1, 25−1, 217−1.
1966 C. S. Ogilvy & J. T. Anderson Excursions Number Theory ii. 22 The Mersenne number 211−1 is composite (it equals 23 × 89).
1974 Nature 16 Aug. 610/3 The largest known Mersenne prime, by 1971, is 2p−1 where p = 19937.
1997 Sci. Amer. Feb. 61/1 [They] implemented at NeXT what is one of the strongest—if not the strongest—encryption schemes available today, based on Mersenne primes.
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