Difference between revisions of "Woodall prime 2"

Latest revision as of 04:59, 29 October 2024

Reserved! This sequence is currently reserved by: PrimeGrid Woodall Prime Search

Current data

ASCII format :	n*2^n-1
Base :	2
Count :	34
Max `n` :	24,000,000
Date :	2024-10-25
Reserved :	PrimeGrid Woodall Prime SearchPrimeGrid Woodall Prime Search/Reserved

2^[1], 3, 6^[2], 30^[3], 75, 81, 115, 123, 249, 362^[4], 384^[5], 462^[6], 512^[7], 751, 822^[8], 5312^[9], 7755, 9531, 12379, 15822^[10], 18885, 22971, 23005, 98726^[11], 143018^[12], 151023, 667071, 1195203, 1268979, 1467763, 2013992^[13], 2367906^[14], 3752948^[15], 17016602^[16]

Remarks :

The sequence A002234 in OEIS
Current status at PrimeGrid

Notes

History

2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
2018-03-21: Found n = 17016602, Diego Bertolotti, PrimeGrid Woodall Prime Search (Official announcement)
2007-12-21: Found n = 3752948, Matthew J. Thompson, PrimeGrid Woodall Prime Search (Official announcement)
2007-08-13: Found n = 2367906, Stephen Kohlman, PrimeGrid Woodall Prime Search (Official announcement)
2007-08-04: Found n = 2013992, Lasse Mejling Andersen, PrimeGrid Woodall Prime Search (Official announcement)
2007-06-07: Found n = 1467763, Zsuzsi Mate, Willem Siemelink, Mark Rodenkirch
2007-01-25: Found n = 1268979, Willem Siemelink
2005-07-11: Found n = 1195203, Mark Rodenkirch
2000-09-25: Found n = 667071, Manfred Toplic
1998-05-01: Found n = 151023, Kevin O'Hare
1998-04-25: Found n = 143018, Ray Ballinger
1997-05: Found n = 98726, Jeffrey Young
1997-05: Found n = 23005, Jeffrey Young
1997-05: Found n = 22971, Jeffrey Young
1987: Found n = 18885, Wilfrid Keller
1987: Found n = 15822, Wilfrid Keller
1984: Found n = 12379, Wilfrid Keller
1984: Found n = 9531, Wilfrid Keller
1984: Found n = 7755, Wilfrid Keller
1984: Found n = 5312, Wilfrid Keller

[1] Mersenne 2³-1

[2] Riesel 3•2⁷-1

[3] Riesel 15•2³¹-1

[4] Riesel 181•2³⁶³-1

[5] Riesel 3•2³⁹¹-1

[6] Riesel 231•2⁴⁶³-1

[7] Mersenne 2⁵²¹-1

[8] Riesel 411•2⁸²³-1

[9] Riesel 83•2⁵³¹⁸-1

[10] Riesel 7911•2¹⁵⁸²³-1

[11] Riesel 49363•2⁹⁸⁷²⁷-1

[12] Riesel 71509•2¹⁴³⁰¹⁹-1

[13] Riesel 251749•2^2013995-1

[14] Riesel 1183953•2^2367907-1

[15] Riesel 938237•2^3752950-1

[16] Riesel 8508301•2^17016603-1

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

[13]

[14]

[15]

[16]

@@ Line 1: / Line 1: @@
 {{Woodall prime
 |WoBase=2
-|WoMaxn=17000000
+|WoMaxn=24000000
-|WoDate=2019-04-26
+|WoDate=2024-10-25
-|WoReserved=PrimeGrid
+|WoReserved=PrimeGrid Woodall Prime Search
 |WoNlist=
 ;C:{{NRi|3}}
-;C:{{NRi|3|3}}
 ;C:{{NRi|3|7}}
 ;C:{{NRi|15|31}}
-;C:{{NRi|75|75}}
-;C:{{NRi|81|81}}
-;C:{{NRi|115|115}}
-;C:{{NRi|123|123}}
-;C:{{NRi|249|249}}
 ;C:{{NRi|181|363}}
 ;C:{{NRi|3|391}}
 ;C:{{NRi|231|463}}
 ;C:{{NRi|521}}
-;C:{{NRi|751|751}}
 ;C:{{NRi|411|823}}
 ;38613;C:{{NRi|83|5318}}
-;32527;C:{{NRi|7755|7755}}
+;32527
-;29932;C:{{NRi|9531|9531}}
+;29932
-;27687;C:{{NRi|12379|12379}}
+;27687
 ;26107;C:{{NRi|7911|15823}}
-;23258;C:{{NRi|18885|18885}}
+;23258
-;21585;C:{{NRi|22971|22971}}
+;21585
-;21572;C:{{NRi|23005|23005}}
+;21572
 ;4505;C:{{NRi|49363|98727}}
 ;1411;C:{{NRi|71509|143019}}
-;1276;C:{{NRi|151023|151023}}
+;1276
-;33;C:{{NRi|667071|667071}}
+;33
-1195203;75032;C:{{NRi|1195203|1195203}}
+1195203;75032
-1268979;79267;C:{{NRi|1268979|1268979}}
+1268979;79267
-1467763;80955;C:{{NRi|1467763|1467763}}
+1467763;80955
 2013992;81907;C:{{NRi|251749|2013995}}
 2367906;82110;C:{{NRi|1183953|2367907}}
 3752948;83407;C:{{NRi|938237|3752950}}
 17016602;124539;C:{{NRi|8508301|17016603}}
-|WoRemarks=The {{OEIS|l|A002234}}
+|WoRemarks=The {{OEIS|l|A002234}}<br>[http://www.primegrid.com/stats_woodall_llr.php Current status] at [[PrimeGrid]]
 }}
-==External links==
-*[http://www.primegrid.com/stats_woodall_llr.php Status] [[PrimeGrid]] search
-*[http://www.prothsearch.com/ Old status] not available anymore
-*[http://web.archive.org/web/20161024222006/http://www.prothsearch.net/woodall.html Web archive] last edit 2013
 ==History==
-{{HistF|2018-03-22|17016602|Diego Bertolotti,PrimeGrid}}
+{{HistC|2024-10-25|1-100000|Gary Barnes|1058845}}, double-check, released
-{{HistF|2007-12-26|3752948|Matthew J Thompson,PrimeGrid}}
+{{HistF|2018-03-21|17016602|Diego Bertolotti,PrimeGrid Woodall Prime Search}} ([http://www.primegrid.com/download/WOO-17016602.pdf Official announcement])
-{{HistF|2007-09-03|2367906|Stephen Kohlman,PrimeGrid}}
+{{HistF|2007-12-21|3752948|Matthew J. Thompson,PrimeGrid Woodall Prime Search}} ([http://www.primegrid.com/download/woodall-3752948.pdf Official announcement])
-{{HistF|2007-06-07|2013992|Lasse Mejling Andersen,PrimeGrid}}
+{{HistF|2007-08-13|2367906|Stephen Kohlman,PrimeGrid Woodall Prime Search}} ([http://www.primegrid.com/download/woodall-2367906.pdf Official announcement])
+{{HistF|2007-08-04|2013992|Lasse Mejling Andersen,PrimeGrid Woodall Prime Search}} ([http://www.primegrid.com/download/woodall-2013992.pdf Official announcement])
 {{HistF|2007-06-07|1467763|Zsuzsi Mate,Willem Siemelink,Mark Rodenkirch}}
 {{HistF|2007-01-25|1268979|Willem Siemelink}}

Difference between revisions of "Woodall prime 2"

Latest revision as of 04:59, 29 October 2024

Current data

Notes

History

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