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Proth primes of the form 417•2n+1
Current data
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Remarks : |
The sequence A323108 in OEIS |
Notes
- ↑ Twin n=2
- ↑ Twin n=8
- ↑ Is GF Divisor of GF(50,5)
- ↑ Twin n=62
- ↑ Is GF Divisor of GF(130,8)
- ↑ Is GF Divisor of GF(514,8)
- ↑ Is GF Divisor of GF(7058,6)
- ↑ Is GF Divisor of xGF(828563,6,5)
History
- 2024-02-29: Checked to n = 4500000, PrimeGrid Proth Prime Search
- 2024-01-09: Found n = 4473466, Stefan Larsson, PrimeGrid Proth Prime Search
- 2023-04-02: Found n = 4003224, NitaMinttu Tirkkonen, PrimeGrid Proth Prime Search
- 2023-02-06: Found n = 3895404, Ruben Steinberg, PrimeGrid Proth Prime Search
- 2022-05-09: Found n = 3248255, Stefan Larsson, PrimeGrid Proth Prime Search
- 2022-01-13: Found n = 3160443, Vaughan Davies, PrimeGrid Proth Prime Search
- 2021-12-09: Found n = 3136187, Stefan Larsson, PrimeGrid Proth Prime Search
- 2021-05-06: Found n = 3029342, Stefan Larsson, PrimeGrid Proth Prime Search
- 2021-05-03: Found n = 3026492, Ryan Propper, PrimeGrid Proth Prime Search
- 2019-07: Checked n = 3322000 - 3640000, PrimeGrid Proth Mega Prime Search
- 2019-02-06: Found n = 2698652, Randall Scalise, PrimeGrid Proth Prime Search
- 2015-04-26: Found n = 2284402, Mariusz Szafrański, PrimeGrid Proth Prime Search
- 2014-02-24: Found n = 2036482, Yang Liu, PrimeGrid Proth Prime Search
- 2013-08-12: Found n = 1943755, Gang Zhou, PrimeGrid Proth Prime Search
- 2013-03-16: Found n = 1759055, Mateusz Pabis, PrimeGrid Proth Prime Search
- 2012-01-28: Found n = 1439196, James Nobis, PrimeGrid Proth Prime Search
- 2011-12-03: Found n = 1104563, John Graham, PrimeGrid Proth Prime Search
- 2011-04-16: Found n = 828566, Paul Medcalf, PrimeGrid Proth Prime Search
- 2009-04-20: Found n = 642156, Tim Rickard, PrimeGrid Proth Prime Search
- 2007-10-22: Found n = 506332, Souichi Murata
- 2007-05-21: Found n = 435482, Rüdiger K. Eckhard
- 2005-11-03: Found n = 276419, Steven Harvey
- 2005-06-20: Found n = 239956, Steven Harvey
- 2005-06-20: Found n = 234179, Steven Harvey
- 2005-06-19: Found n = 351632, Payam Samidoost
- 2004-04-04: Found n = 305859, Payam Samidoost
- 2001-11-23: Found n = 97375, Jim Fougeron
- 2001-06-23: Found n = 130858, Jim Fougeron
- 2001-06-14: Found n = 133756, Jim Fougeron
- 1999-04-02: Found n = 27076, Wolfgang Elsner
- 1998-07-16: Found n = 30286, Ola Svallmark
- 1998-06-04: Found n = 50486, David Hanson
- 1998-02-13: Found n = 13342, Ray Ballinger
- 1996: Found n = 23132, Patrick Demichel
- 1996: Found n = 22292, Patrick Demichel
- 1993: Found n = 8067, Harvey Dubner
- 1993: Found n = 7787, Harvey Dubner
- 1993: Found n = 7476, Harvey Dubner
- 1993: Found n = 7063, Harvey Dubner
- 1993: Found n = 6796, Harvey Dubner