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Difference between revisions of "Riesel prime 2 15"
(drive ren.) |
(n=7M) |
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Line 4: | Line 4: | ||
|RCount=57 | |RCount=57 | ||
|RNash=2221 | |RNash=2221 | ||
− | |RMaxn= | + | |RMaxn=7000000 |
− | |RDate= | + | |RDate=2024-06-13 |
|RReserved= | |RReserved= | ||
|RNlist= | |RNlist= | ||
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}} | }} | ||
==History== | ==History== | ||
+ | {{HistC|2024-06-13|6000000-7000000|Ryan Propper|659284}} | ||
{{HistC|2021-11-22|6134000|RPS Drive K15|593517}} | {{HistC|2021-11-22|6134000|RPS Drive K15|593517}} | ||
{{HistF|2021-10-08|6429089|Ryan Propper|589973}} | {{HistF|2021-10-08|6429089|Ryan Propper|589973}} |
Revision as of 15:55, 13 June 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
- 2024-06-13: Checked n = 6000000 - 7000000, Ryan Propper
- 2021-11-22: Checked to n = 6134000, RPS Drive K15
- 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
- 2021-01-27: Checked to n = 5800000, RPS Drive K15
- 2018-04-11: Checked to n = 5500000, RPS Drive K15
- 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 to n = 1908000, RPS Drive K15
- 2009-02-13: Checked to n = 1880000, 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 for 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 to n = 620000, Robert Smith
- 2005-02-27: Found n = 568780, Robert Smith
- 2004-09-06: Checked to n = 505000, Robert Smith
- 2004-06-03: Checked to n = 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