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Proth primes of the form 639•2n+1
Current data
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Notes
- ↑ Twin n=1
- ↑ Twin n=13
- ↑ Is GF Divisor of xGF(115,8,7)
- ↑ Is GF Divisor of xGF(70341,5,2)
- ↑ Is GF Divisor of xGF(782158,10,3)
- ↑ Is GF Divisor of xGF(3040436,12,11)
History
- 2023-04-30: Checked to n = 4000000, PrimeGrid Proth Prime Search
- 2021-05-21: Found n = 3040438, Brian D. Niegocki, PrimeGrid Proth Prime Search
- 2019-07: Checked n = 3322000 - 3640000, PrimeGrid Proth Mega Prime Search
- 2019-07-05: Found n = 2740186, Kellen Shenton, PrimeGrid Proth Prime Search
- 2019-06-14: Found n = 3635707, Stefan Larsson, PrimeGrid Proth Mega Prime Search
- 2013-10-14: Found n = 1945473, Lucas Brandstaetter, PrimeGrid Proth Prime Search
- 2013-09-29: Found n = 1880451, Bart Kus, PrimeGrid Proth Prime Search
- 2013-09-17: Found n = 1848903, PoChun Huang, PrimeGrid Proth Prime Search
- 2012-02-07: Found n = 1310707, Magnus Karlsteen, PrimeGrid Proth Prime Search
- 2011-05-09: Found n = 881991, John S. Morris, PrimeGrid Proth Prime Search
- 2010-03-10: Found n = 782159, Senji Yamashita, PrimeGrid Proth Prime Search
- 2010-02-14: Found n = 710709, Gerrit Slomma, PrimeGrid Proth Prime Search
- 2010-02-01: Found n = 903407, Rüdiger K. Eckhard
- 2009-04-20: Found n = 639554, Mike Ingram, PrimeGrid Proth Prime Search
- 2009-04-04: Found n = 623113, Senji Yamashita, PrimeGrid Proth Prime Search
- 2008-06-23: Found n = 509058, Rüdiger K. Eckhard
- 2007-09-04: Found n = 397790, Steven Harvey
- 2005-08-27: Found n = 247677, Steven Harvey
- 2005-06-26: Found n = 227574, Steven Harvey
- 2005-03-18: Found n = 198039, Steven Harvey
- 2002-02-14: Found n = 99090, Göran Axelsson
- 2001-10-12: Found n = 107602, Anton Oleynick
- 2001-10-12: Found n = 84026, Jim Fougeron
- 2001-10-08: Found n = 100426, Anton Oleynick
- 1998-07-07: Found n = 26631, Tadashi Taura
- 1998-02-16: Found n = 15154, Charles F. Kerchner
- 1996: Found n = 23341, Patrick Demichel
- 1996-10: Found n = 19234, Patrick Demichel
- 1996-03: Found n = 6699, Patrick Demichel
- 1996-03: Found n = 6679, Patrick Demichel
- 1993: Found n = 9409, Harvey Dubner
- 1993: Found n = 8877, Harvey Dubner