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Difference between revisions of "Riesel prime 2 15"

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{{Last update|2019-03-28}}
 
 
{{Riesel prime
 
{{Riesel prime
 
|Rk=15
 
|Rk=15
 +
|Rb=2
 +
|RCount=57
 
|RNash=2221
 
|RNash=2221
−
|RMaxn=5500000
+
|RMaxn=6134000
−
|RDate=2018-04-11
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|RDate=2021-11-22
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|RReserved=RPS
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|RReserved=Riesel Prime Search
 
|RNlist=
 
|RNlist=
 
1;T:ST
 
1;T:ST
−
2;T:ST
+
2;T:T
 
4;T:ST
 
4;T:ST
−
5;T:S
+
5
 
10;T:T
 
10;T:T
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14;C:Near Woodall: (14+1)*2^14-1
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14;C:{{NWo|+|14}}
 
17
 
17
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31;T:W;C:30*2^30-1
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31;T:W;C:{{NWo|30}}
 
41
 
41
 
73
 
73
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2323205;100775
 
2323205;100775
 
3668194;115978
 
3668194;115978
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|RRemarks=[https://www.mersenneforum.org/showthread.php?p=86959#post86959 Forum thread] at [[MersenneForum]]
+
6429089;132808
 +
6993631;132645
 +
|RRemarks=[https://www.mersenneforum.org/showthread.php?p=86959#post86959 Forum thread] at [[MersenneForum]]<br>The {{OEIS|l|A002237}}
 
}}
 
}}
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[[Category:Riesel prime|#.....00015]]
+
==History==
 +
{{HistC|2021-11-22|6134000|Thomas Ritschel,RPS Drive k15|593517}}
 +
{{HistF|2021-10-08|6429089|Ryan Propper|589973}}
 +
{{HistF|2021-08-25|6993631|Ryan Propper|587361}}
 +
{{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|2018-04-11|5500000|RPS Drive k15}}
 +
{{HistF|2013-10-15|3668194|Ivica Kelava|356337}}
 +
{{HistF|2011-07-11|2323205|Thomas Ritschel|266073}}
 +
{{HistC|2010-01-03|1908000|Predrag Minovic|200731}}
 +
{{HistC|2009-02-13|1880000|Predrag Minovic|162649}}
 +
{{HistF|2008-12-16|1837873|Even Stokkedalen}}
 +
{{HistF|2007-01-05|1344313|David Metcalfe}}
 +
{{HistF|2006-09-28|1084010|David Metcalfe}}
 +
{{HistF|2006-03-02|902474|Robert Smith}}
 +
{{HistF|2005-08-12|712294|Robert Smith}}
 +
{{HistF|2005-05-17|656264|Robert Smith}}
 +
{{HistF|2005-02-27|568780|Robert Smith}}
 +
{{HistF|2004-05-13|454681|Robert Smith}}
 +
{{HistF|2004-03-30|172714|Robert Smith}}
 +
{{HistF|2004-03-30|161453|Robert Smith}}
 +
{{HistF|2003-04-07|115327|Steven Harvey}}
 +
{{HistF|1999-08-09|91457|Michael J. Graef}}
 +
{{HistF|1999-07-08|83669|Michael J. Graef}}
 +
{{HistF|1999-07-07|83263|Michael J. Graef}}
 +
{{HistF|1999-06-29|60622|Michael J. Graef}}
 +
{{HistF|1999-06-03|41054|Michael J. Graef}}
 +
{{HistF|1999-06-03|40742|Michael J. Graef}}
 +
{{HistF|1998-08-09|21962|Wilfrid Keller}}
 +
{{HistF|1998-08-08|21727|Wilfrid Keller}}
 +
{{HistF|1994|7613|Harvey Dubner}}

Latest revision as of 23:02, 22 November 2021

Reserved! This sequence is currently reserved by: Riesel Prime Search

Current data

k , b : 15 , 2
Type : 315
Count : 57
Nash : 2221
Max n : 6,134,000
Date : 2021-11-22
Reserved : Riesel Prime SearchRiesel Prime Search/Reserved
1[1], 2[2], 4[3], 5, 10[4], 14[5], 17, 31[6], 41, 73, 80, 82, 116, 125, 145, 157, 172, 202, 224, 266, 289, 293, 463, 1004, 1246, 2066, 2431, 2705, 4622, 5270, 7613, 21727, 21962, 40742, 41054, 60622, 83263, 83669, 91457, 103940, 104177, 108124, 115327, 161453, 172714, 454681, 568780, 656264, 712294, 902474, 1084010, 1344313, 1837873, 2323205, 3668194, 6429089, 6993631
Remarks :
Forum thread at MersenneForum
The sequence A002237 in OEIS

Notes

  1. ↑ S.G. n=1, Twin n=1
  2. ↑ Twin n=2
  3. ↑ S.G. n=4, Twin n=4
  4. ↑ Twin n=10
  5. ↑ Near Woodall 15•214-1
  6. ↑ Woodall, Woodall 30•230-1

History

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