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Difference between revisions of "Riesel prime 2 15"
m |
(6993631) |
||
| Line 2: | Line 2: | ||
|Rk=15 | |Rk=15 | ||
|Rb=2 | |Rb=2 | ||
| − | |RCount= | + | |RCount=56 |
|RNash=2221 | |RNash=2221 | ||
|RMaxn=5800000 | |RMaxn=5800000 | ||
| − | |RDate=2021- | + | |RDate=2021-08-25 |
|RReserved=Riesel Prime Search | |RReserved=Riesel Prime Search | ||
|RNlist= | |RNlist= | ||
| Line 63: | Line 63: | ||
2323205;100775 | 2323205;100775 | ||
3668194;115978 | 3668194;115978 | ||
| + | 6993631;132645 | ||
|RRemarks=[https://www.mersenneforum.org/showthread.php?p=86959#post86959 Forum thread] at [[MersenneForum]]<br>The {{OEIS|l|A002237}} | |RRemarks=[https://www.mersenneforum.org/showthread.php?p=86959#post86959 Forum thread] at [[MersenneForum]]<br>The {{OEIS|l|A002237}} | ||
}} | }} | ||
==History== | ==History== | ||
| + | {{HistF|2021-08-25|6993631|Ryan Propper}} | ||
{{HistC|2021-03-21|1-1000000|Gary Barnes|574248}}, double check, results included | {{HistC|2021-03-21|1-1000000|Gary Barnes|574248}}, double check, results included | ||
{{HistC|2021-01-27|5800000|Thomas Ritschel,RPS Drive k15|570252}} | {{HistC|2021-01-27|5800000|Thomas Ritschel,RPS Drive k15|570252}} | ||
Revision as of 06:54, 6 September 2021
| Reserved! This sequence is currently reserved by: Riesel Prime Search |
Current data
|
|
Remarks : |
Forum thread at MersenneForum 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
- 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, Thomas Ritschel, RPS Drive k15
- 2018-04-11: Checked to n = 5500000, RPS Drive k15
- 2013-10-15: Found n = 3668194, Ivica Kelava
- 2011-07-11: Found n = 2323205, Thomas Ritschel
- 2010-01-03: Checked to n = 1908000, Predrag Minovic
- 2009-02-13: Checked to n = 1880000, Predrag Minovic
- 2008-12-16: Found n = 1837873, Even Stokkedalen
- 2007-01-05: Found n = 1344313, David Metcalfe
- 2006-09-28: Found n = 1084010, David Metcalfe
- 2006-03-02: Found n = 902474, Robert Smith
- 2005-08-12: Found n = 712294, Robert Smith
- 2005-05-17: Found n = 656264, Robert Smith
- 2005-02-27: Found n = 568780, Robert Smith
- 2004-05-13: Found n = 454681, 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
