ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] IN 1644 the mathematician Mersenne asserted that out of the 56 primes not 〈 257, there were only 12 primes, viz.:— 2=h 2, 3, 5" 7, I3i 17, 19, 31, 67, 127, 257, which, taken as exponent (q), make the number ?=(2q - 1) also prime. No proof was published, and even up to now, this ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/051533c0
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