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Difference between revisions of "Riesel prime 2 3"
(note) |
(New find: n = 20928756) |
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Line 2: | Line 2: | ||
|Rk=3 | |Rk=3 | ||
|Rb=2 | |Rb=2 | ||
− | |RCount= | + | |RCount=66 |
|RNash=2976 | |RNash=2976 | ||
|RMaxn= | |RMaxn= | ||
Line 74: | Line 74: | ||
18196595;133193 | 18196595;133193 | ||
18924988;133776 | 18924988;133776 | ||
+ | 20928756;136240 | ||
|RRemarks=The {{OEIS|l|A002235}} | |RRemarks=The {{OEIS|l|A002235}} | ||
}} | }} | ||
==History== | ==History== | ||
+ | {{HistF|2023-07-06|20928756|Arno Lehmann,PrimeGrid 321 Prime Search}} | ||
{{HistF|2022-03-24|18924988|Frank Matillek,PrimeGrid 321 Prime Search|602726}} ([https://www.primegrid.com/download/321-18924988.pdf Official announcement]) | {{HistF|2022-03-24|18924988|Frank Matillek,PrimeGrid 321 Prime Search|602726}} ([https://www.primegrid.com/download/321-18924988.pdf Official announcement]) | ||
{{HistF|2022-01-18|18196595|(Anonymous),PrimeGrid 321 Prime Search|598299}} ([https://www.primegrid.com/download/321-18196595.pdf Official announcement]) | {{HistF|2022-01-18|18196595|(Anonymous),PrimeGrid 321 Prime Search|598299}} ([https://www.primegrid.com/download/321-18196595.pdf Official announcement]) |
Revision as of 07:53, 7 July 2023
Reserved! This sequence is currently part of Multi Reservation 22: PrimeGrid 321 Prime Search. |
Current data
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Remarks : |
The sequence A002235 in OEIS |
Notes
- ↑ S.G. n=1, Twin n=1
- ↑ S.G. n=2, Twin n=2, Near Woodall 3•22-1
- ↑ S.G. n=3, Woodall, Woodall 3•23-1
- ↑ Near Woodall 3•24-1
- ↑ S.G. n=6, Twin n=6, Near Woodall 6•25-1
- ↑ Woodall, Woodall 6•26-1
- ↑ Twin n=18, Woodall 3•643-1
- ↑ Woodall 12•812-1
- ↑ Woodall 6•1286-1
- ↑ Woodall 6•5126-1
- ↑ Woodall 6•1310726-1
- ↑ Woodall 12•13107212-1
- ↑ Woodall, Woodall 384•2384-1
History
- 2023-07-06: Found n = 20928756, Arno Lehmann, PrimeGrid 321 Prime Search
- 2022-03-24: Found n = 18924988, Frank Matillek, PrimeGrid 321 Prime Search (Official announcement)
- 2022-01-18: Found n = 18196595, (Anonymous), PrimeGrid 321 Prime Search (Official announcement)
- 2021-09-06: Found n = 17748034, Marc Wiseler, PrimeGrid 321 Prime Search (Official announcement)
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2021-01-20: Found n = 16819291, Rudi Tapper, PrimeGrid 321 Prime Search (Official announcement)
- 2015-06-23: Found n = 11895718, Michael Schulz, PrimeGrid 321 Prime Search (Official announcement)
- 2015-03-13: Found n = 11731850, Karsten Klopffleisch, PrimeGrid 321 Prime Search (Official announcement)
- 2014-11-22: Found n = 11484018, Serhiy Gushchak, PrimeGrid 321 Prime Search (Official announcement)
- 2010-04-24: Found n = 6090515, David Mumper, PrimeGrid 321 Prime Search (Official announcement)
- 2008-03-23: Found n = 4235414, Dylan Bennett, PrimeGrid 321 Prime Search (Official announcement)
- 2007-03-08: Found n = 3136255, Paul Underwood, 321 Search
- 2005-12-20: Found n = 2312734, Paul Underwood, 321 Search
- 2004-08-30: Found n = 1232255, Thomas Ritschel, 321 Search
- 2004-08-24: Found n = 1201046, Alexandre de Pereyra, 321 Search
- 2004-05-17: Found n = 992700, Jason Kowzun, 321 Search
- 2004-01-23: Found n = 727699, Luigi Morelli, 321 Search
- 2003-11-13: Found n = 702038, Thomas Ritschel, 321 Search
- 2003-08-20: Found n = 584995, Sergey Kochergin, 321 Search
- 2003-05-21: Found n = 414840, Paul Jobling, 321 Search
- 2003-04-10: Found n = 234760, Thomas Ritschel, 321 Search
- 1999-09-21: Found n = 164987, Ingo Buechel, Wilfrid Keller
- 1999-07-10: Found n = 155930, Ingo Buechel, Wilfrid Keller
- 1999-03-01: Found n = 123630, Ingo Buechel, Wilfrid Keller
- 1999-01-13: Found n = 97063, Ingo Buechel, Wilfrid Keller
- 1999-01-03: Found n = 88171, Ingo Buechel, Wilfrid Keller
- 1998-12-31: Found n = 85687, Ingo Buechel, Wilfrid Keller
- 1998-12-26: Found n = 80330, Ingo Buechel, Wilfrid Keller
- 1998-12-19: Found n = 71783, Ingo Buechel, Wilfrid Keller
- 1998-05-28: Found n = 51387, Henri Lifchitz
- 1998-05-10: Found n = 41628, Henri Lifchitz
- 1998-04-13: Found n = 25690, Ray Ballinger
- 1998-04-10: Found n = 18819, Ray Ballinger
- 1998-04-09: Found n = 18123, Ray Ballinger
- 1989: Found n = 26459, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
- 1980: Found n = 7559, Jurgen Buhl, Walter Borho
- 1980: Found n = 5134, Jurgen Buhl, Walter Borho
- 1980: Found n = 4204, Jurgen Buhl, Walter Borho
- 1979: Found n = 12676, Jurgen Buhl, Walter Borho