Difference between revisions of "Riesel prime 2 15"

Revision as of 01:40, 15 April 2025

Current data

`k` , `b` :	15 , 2
Type :	315
Count :	58
Nash :	2221
Max `n` :	7,000,000
Date :	2024-08-14

1^[1], 2^[2], 4^[3], 5, 10^[4], 14^[5], 17, 31^[6], 41, 73, 80^[7], 82, 116^[8], 125, 145, 157, 172^[9], 202, 224^[10], 266, 289, 293, 463, 1004^[11], 1246, 2066, 2431, 2705, 4622, 5270, 7613, 21727, 21962, 40742, 41054, 60622, 83263, 83669, 91457, 103940^[12], 104177, 108124^[13], 115327, 161453, 172714, 454681, 568780^[14], 656264^[15], 712294, 902474, 1084010, 1344313, 1837873, 2323205, 3668194, 6429089, 6993631, 9482269

Remarks :

The sequence A002237 in OEIS
See also Williams 15•16ⁿ-1

Notes

History

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: Checked n = 620000 - 1000000, Robert Smith ?
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 n = 212000 - 340000, Robert Smith
2004-03-30: Checked n = 150000 - 212000, Robert Smith
2004-03-30: Found n = 172714, Robert Smith
2004-03-30: Found n = 161453, Robert Smith
2004-03-28: Checked n = 100000 - 150000, Jocelyn Larouche, released
2004-03-25: Checked to n = 100000, 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

[1] Jump up ↑ Sophie Germain n=1, Twin n=1

[2] Jump up ↑ Twin n=2

[3] Jump up ↑ Sophie Germain n=4, Twin n=4, Williams 15•16¹-1

[4] Jump up ↑ Twin n=10

[5] Jump up ↑ Near Woodall 15•2¹⁴-1

[6] Jump up ↑ Woodall, Woodall 30•2³⁰-1

[7] Jump up ↑ Williams 15•16²⁰-1

[8] Jump up ↑ Williams 15•16²⁹-1

[9] Jump up ↑ Williams 15•16⁴³-1

[10] Jump up ↑ Williams 15•16⁵⁶-1

[11] Jump up ↑ Williams 15•16²⁵¹-1

[12] Jump up ↑ Williams 15•16²⁵⁹⁸⁵-1

[13] Jump up ↑ Williams 15•16²⁷⁰³¹-1

[14] Jump up ↑ Williams 15•16¹⁴²¹⁹⁵-1

[15] Jump up ↑ Williams 15•16¹⁶⁴⁰⁶⁶-1

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

[13]

[14]

[15]

@@ Line 71: / Line 71: @@
 {{HistF|2024-08-14|9482269|Ryan Propper}}
 {{HistC|2024-06-13|6000000-7000000|Ryan Propper|892293}}
-{{HistC|2021-11-20|1908000-1967597, 2062945-6134000|RPS Drive K15|593517}}, released
+{{HistC|2021-11-20|1908000-1967597, 2062945-6134000|RPS Drive K15|802281}}, released
-{{HistF|2021-10-08|6429089|Ryan Propper|589973}}
+{{HistF|2021-10-08|6429089|Ryan Propper|799127}}
-{{HistF|2021-08-25|6993631|Ryan Propper|587361}}
+{{HistF|2021-08-25|6993631|Ryan Propper|794063}}
-{{HistC|2021-03-21|1-1000000|Gary Barnes|574248}}, double check, results included
+{{HistC|2021-03-21|1-1000000|Gary Barnes|776590}}, double check, results included
-{{HistF|2013-10-15|3668194|Ivica Kelava,RPS Drive K15|356337}}
+{{HistF|2013-10-15|3668194|Ivica Kelava,RPS Drive K15|M#479872}}
-{{HistF|2011-07-11|2323205|Thomas Ritschel,RPS Drive K15|266073}}
+{{HistF|2011-07-11|2323205|Thomas Ritschel,RPS Drive K15|M#356900}}
-{{HistC|2010-01-03|1880000-1908000|RPS Drive K15|200731}}
+{{HistC|2010-01-03|1880000-1908000|RPS Drive K15|M#267222}}
-{{HistC|2009-02-13|1000000-1880000|RPS Drive K15|162649}}
+{{HistC|2009-02-13|1000000-1880000|RPS Drive K15|M#216263}}
-{{HistC|2009-01-09|1967597-2062945|Peter Benson|157761}}
+{{HistC|2009-01-09|1967597-2062945|Peter Benson|M#209004}}
-{{HistC|2009-01-09|950000-1045993, 1140017-1196900|Peter Benson|157761}} ( {{Rn|1000000|1045993}} & {{Rn|1140017|1196900}} also done by [[RPS Drive K15]] )
+{{HistC|2009-01-09|950000-1045993, 1140017-1196900|Peter Benson|M#209004}} ( {{Rn|1000000|1045993}} & {{Rn|1140017|1196900}} also done by [[RPS Drive K15]] )
-{{HistF|2008-12-16|1837873|Even Stokkedalen,RPS Drive K15|153579}}
+{{HistF|2008-12-16|1837873|Even Stokkedalen,RPS Drive K15|M#202239}}
-{{HistF|2007-01-05|1344313|David Metcalfe,RPS Drive K15|95377}}
+{{HistF|2007-01-05|1344313|David Metcalfe,RPS Drive K15|M#121415}}
-{{HistF|2006-09-28|1084010|David Metcalfe,RPS Drive K15|88095}}
+{{HistF|2006-09-28|1084010|David Metcalfe,RPS Drive K15|M#112536}}
-{{HistC|2006-09-12|620000-1000000|Robert Smith|86961}} ?
+{{HistC|2006-09-12|620000-1000000|Robert Smith|M#111616}} ?
-{{HistR|2006-09-12|RPS Drive K15|86959}} from {{Rn|1000000|1000000}}
+{{HistR|2006-09-12|RPS Drive K15|M#5080}} from {{Rn|1000000|1000000}}
-{{HistF|2006-03-02|902474|Robert Smith|74336}}
+{{HistF|2006-03-02|902474|Robert Smith|M#94584}}
-{{HistF|2005-08-12|712294|Robert Smith|58921}}
+{{HistF|2005-08-12|712294|Robert Smith|M#71738}}
-{{HistF|2005-05-17|656264|Robert Smith|54546}}
+{{HistF|2005-05-17|656264|Robert Smith|M#68659}}
-{{HistC|2005-03-29|505000-620000|Robert Smith|52415}}
+{{HistC|2005-03-29|505000-620000|Robert Smith|M#67025}}
-{{HistF|2005-02-27|568780|Robert Smith|50642}}
+{{HistF|2005-02-27|568780|Robert Smith|M#65819}}
-{{HistC|2004-09-06|475000-505000|Robert Smith|39937}}
+{{HistC|2004-09-06|475000-505000|Robert Smith|M#57223}}
-{{HistC|2004-06-03|340000-475000|Robert Smith|32439}}
+{{HistC|2004-06-03|340000-475000|Robert Smith|M#52784}}
-{{HistF|2004-05-13|454681|Robert Smith|28886}}
+{{HistF|2004-05-13|454681|Robert Smith|M#49647}}
-{{HistC|2004-04-15|212000-340000|Robert Smith|26273}}
+{{HistC|2004-04-15|212000-340000|Robert Smith|M#48729}}
-{{HistC|2004-03-30|150000-212000|Robert Smith|24861}}
+{{HistC|2004-03-30|150000-212000|Robert Smith|M#48162}}
-{{HistF|2004-03-30|172714|Robert Smith|24862}}
+{{HistF|2004-03-30|172714|Robert Smith|M#48163}}
-{{HistF|2004-03-30|161453|Robert Smith|24862}}
+{{HistF|2004-03-30|161453|Robert Smith|M#48163}}
-{{HistC|2004-03-28|100000-150000|Jocelyn Larouche|24630}}, released
+{{HistC|2004-03-28|100000-150000|Jocelyn Larouche|M#48069}}, released
-{{HistC|2004-03-25|100000|Robert Smith|24461}}
+{{HistC|2004-03-25|100000|Robert Smith|M#47983}}
 {{HistF|2003-04-07|115327|Steven Harvey}}
 {{HistF|1999-08-09|91457|Michael J. Graef}}

Difference between revisions of "Riesel prime 2 15"

Revision as of 01:40, 15 April 2025

Current data

Notes

History

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