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Difference between revisions of "Riesel prime 2 15"
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|RNash=2221 | |RNash=2221 | ||
|RMaxn=7000000 | |RMaxn=7000000 | ||
| − | |RDate=2024- | + | |RDate=2024-09-02 |
|RReserved= | |RReserved= | ||
|RNlist= | |RNlist= | ||
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==History== | ==History== | ||
| + | {{HistC|2024-09-02|2-100000|Mark Rodenkirch|1052874}}, double-check, released | ||
| + | {{HistR|2024-08-22|Mark Rodenkirch|903884}} for {{Rn|2|100000}}, double-check | ||
{{HistF|2024-08-14|9482269|Ryan Propper}} | {{HistF|2024-08-14|9482269|Ryan Propper}} | ||
{{HistC|2024-06-13|6000000-7000000|Ryan Propper|659284}} | {{HistC|2024-06-13|6000000-7000000|Ryan Propper|659284}} | ||
Revision as of 06:58, 3 September 2024
Current data
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Remarks : |
The sequence A002237 in OEIS |
Notes
- ↑ Sophie Germain n=1, Twin n=1
- ↑ Twin n=2
- ↑ Sophie Germain n=4, Twin n=4
- ↑ Twin n=10
- ↑ Near Woodall 15•214-1
- ↑ Woodall, Woodall 30•230-1
History
- 2024-09-02: Checked n = 2 - 100000, Mark Rodenkirch, double-check, released
- 2024-08-22: Reserved by Mark Rodenkirch for n = 2 - 100000, double-check
- 2024-08-14: Found n = 9482269, Ryan Propper
- 2024-06-13: Checked n = 6000000 - 7000000, Ryan Propper
- 2021-11-20: Checked n = 1908000 - 1967597, 2062945 - 6134000, RPS Drive K15, released
- 2021-10-08: Found n = 6429089, Ryan Propper
- 2021-08-25: Found n = 6993631, Ryan Propper
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2013-10-15: Found n = 3668194, Ivica Kelava, RPS Drive K15
- 2011-07-11: Found n = 2323205, Thomas Ritschel, RPS Drive K15
- 2010-01-03: Checked n = 1880000 - 1908000, RPS Drive K15
- 2009-02-13: Checked n = 1000000 - 1880000, RPS Drive K15
- 2009-01-09: Checked n = 1967597 - 2062945, Peter Benson
- 2009-01-09: Checked n = 950000 - 1045993, 1140017 - 1196900, Peter Benson ( n = 1000000 - 1045993 & n = 1140017 - 1196900 also done by RPS Drive K15 )
- 2008-12-16: Found n = 1837873, Even Stokkedalen, RPS Drive K15
- 2007-01-05: Found n = 1344313, David Metcalfe, RPS Drive K15
- 2006-09-28: Found n = 1084010, David Metcalfe, RPS Drive K15
- 2006-09-12: Reserved by RPS Drive K15 from n = 1000000
- 2006-03-02: Found n = 902474, Robert Smith
- 2005-08-12: Found n = 712294, Robert Smith
- 2005-05-17: Found n = 656264, Robert Smith
- 2005-03-29: Checked n = 505000 - 620000, Robert Smith
- 2005-02-27: Found n = 568780, Robert Smith
- 2004-09-06: Checked n = 475000 - 505000, Robert Smith
- 2004-06-03: Checked n = 340000 - 475000, Robert Smith
- 2004-05-13: Found n = 454681, Robert Smith
- 2004-04-15: Checked to n = 340000, Robert Smith
- 2004-03-30: Found n = 172714, Robert Smith
- 2004-03-30: Found n = 161453, Robert Smith
- 2003-04-07: Found n = 115327, Steven Harvey
- 1999-08-09: Found n = 91457, Michael J. Graef
- 1999-07-08: Found n = 83669, Michael J. Graef
- 1999-07-07: Found n = 83263, Michael J. Graef
- 1999-06-29: Found n = 60622, Michael J. Graef
- 1999-06-03: Found n = 41054, Michael J. Graef
- 1999-06-03: Found n = 40742, Michael J. Graef
- 1998-08-09: Found n = 21962, Wilfrid Keller
- 1998-08-08: Found n = 21727, Wilfrid Keller
- 1994: Found n = 7613, Harvey Dubner
