• Hans Ivar Riesel (May 28, 1929 in Stockholm – December 21, 2014) was a Swedish mathematician who discovered the 18th Mersenne prime in 1957, using the...
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  • Riesel may refer to: Hans Riesel (1929–2014), Swedish mathematician who discovered a Mersenne prime Victor Riesel (1913–1995), American labor union journalist...
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  • Lucas–Lehmer–Riesel test is a primality test for numbers of the form N = k ⋅ 2n − 1 with odd k < 2n. The test was developed by Hans Riesel and it is based...
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  • mathematics: Is 509,203 the smallest Riesel number? (more unsolved problems in mathematics) In 1956, Hans Riesel showed that there are an infinite number...
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  • Thumbnail for Largest known prime number
    1952 Raphael M. Robinson M3217 259117086013...362909315071 969 1957 Hans Riesel M4423 285542542228...902608580607 1,332 1961 Alexander Hurwitz M9689...
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  • Springer-Verlag. doi:10.1007/978-1-4684-9316-0. ISBN 0-387-94777-9. Hans Riesel (1994). Prime Numbers and Computer Methods for Factorization. Progress...
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  • Thumbnail for List of Mersenne primes and perfect numbers
    67–72. January 1953. doi:10.1090/S0025-5718-53-99372-7. ISSN 0025-5718. Riesel, Hans (January 1958). "A New Mersenne Prime". Mathematics of Computation. 12...
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  • another Fermat prime is less than one in a billion. Anders Bjorn and Hans Riesel estimated the number of square factors of Fermat numbers from F5 onward...
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  • Thumbnail for List of people by Erdős number
    Rado Kanakanahalli Ramachandra S. B. Rao Alfréd Rényi Bruce Reznick Hans Riesel Vojtěch Rödl Paul C. Rosenbloom Bruce Lee Rothschild Cecil C. Rousseau...
    60 KB (5,757 words) - 17:50, 27 August 2024
  • CiteSeerX 10.1.1.174.660. doi:10.2140/pjm.1985.118.449. MR 0789184. Hans Riesel (1994). Prime Numbers and Computer Methods for Factorization. Progress...
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