Difference between revisions of "Riesel prime 2 3"

Latest revision as of 05:13, 13 April 2025

Reserved! This sequence is currently part of Multi Reservation 22: PrimeGrid 321 Prime Search.

Current data

`k` , `b` :	3 , 2
Type :	3
Count :	67
Nash :	2976
Max `n` :	22,414,269
Date :	2025-01-31
Reserved :	PrimeGridPrimeGrid/Reserved

1^[1], 2^[2], 3^[3], 4^[4], 6^[5], 7^[6], 11^[7], 18^[8], 34^[9], 38^[10], 43^[11], 55^[12], 64^[13], 76^[14], 94^[15], 103^[16], 143, 206^[17], 216^[18], 306^[19], 324^[20], 391^[21], 458^[22], 470^[23], 827, 1274^[24], 3276^[25], 4204^[26], 5134^[27], 7559, 12676^[28], 14898^[29], 18123, 18819, 25690^[30], 26459, 41628^[31], 51387, 71783, 80330^[32], 85687, 88171, 97063, 123630^[33], 155930^[34], 164987, 234760^[35], 414840^[36], 584995, 702038^[37], 727699, 992700^[38], 1201046^[39], 1232255, 2312734^[40], 3136255, 4235414^[41], 6090515, 11484018^[42], 11731850^[43], 11895718^[44], 16819291, 17748034^[45], 18196595, 18924988^[46], 20928756^[47], 22103376^[48]

Remarks :

The sequence A002235 in OEIS
See also Williams 3•2ⁿ-1 & Williams 3•4ⁿ-1

Notes

History

2024-10-01: Found n = 22103376, Piotr Chodzinski, PrimeGrid 321 Prime Search
2023-07-06: Found n = 20928756, Arno Lehmann, PrimeGrid 321 Prime Search (Official announcement)
2022-03-24: Found n = 18924988, Frank Matillek, PrimeGrid 321 Prime Search (Official announcement)
2022-01-18: Found n = 18196595, (Anonymous), PrimeGrid 321 Prime Search (Official announcement)
2021-09-06: Found n = 17748034, Marc Wiseler, PrimeGrid 321 Prime Search (Official announcement)
2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
2021-01-20: Found n = 16819291, Rudi Tapper, PrimeGrid 321 Prime Search (Official announcement)
2015-06-23: Found n = 11895718, Michael Schulz, PrimeGrid 321 Prime Search (Official announcement)
2015-03-13: Found n = 11731850, Karsten Klopffleisch, PrimeGrid 321 Prime Search (Official announcement)
2014-11-22: Found n = 11484018, Serhiy Gushchak, PrimeGrid 321 Prime Search (Official announcement)
2010-04-24: Found n = 6090515, David Mumper, PrimeGrid 321 Prime Search (Official announcement)
2008-03-23: Found n = 4235414, Dylan Bennett, PrimeGrid 321 Prime Search (Official announcement)
2007-03-08: Found n = 3136255, Paul Underwood, 321 Search
2005-12-20: Found n = 2312734, Paul Underwood, 321 Search
2004-08-30: Found n = 1232255, Thomas Ritschel, 321 Search
2004-08-24: Found n = 1201046, Alexandre de Pereyra, 321 Search
2004-05-17: Found n = 992700, Jason Kowzun, 321 Search
2004-01-23: Found n = 727699, Luigi Morelli, 321 Search
2003-11-13: Found n = 702038, Thomas Ritschel, 321 Search
2003-08-20: Found n = 584995, Sergey Kochergin, 321 Search
2003-05-21: Found n = 414840, Paul Jobling, 321 Search
2003-04-10: Found n = 234760, Thomas Ritschel, 321 Search
1999-09-21: Found n = 164987, Ingo Buechel, Wilfrid Keller
1999-07-10: Found n = 155930, Ingo Buechel, Wilfrid Keller
1999-03-01: Found n = 123630, Ingo Buechel, Wilfrid Keller
1999-01-13: Found n = 97063, Ingo Buechel, Wilfrid Keller
1999-01-03: Found n = 88171, Ingo Buechel, Wilfrid Keller
1998-12-31: Found n = 85687, Ingo Buechel, Wilfrid Keller
1998-12-26: Found n = 80330, Ingo Buechel, Wilfrid Keller
1998-12-19: Found n = 71783, Ingo Buechel, Wilfrid Keller
1998-05-28: Found n = 51387, Henri Lifchitz
1998-05-10: Found n = 41628, Henri Lifchitz
1998-04-13: Found n = 25690, Ray Ballinger
1998-04-10: Found n = 18819, Ray Ballinger
1998-04-09: Found n = 18123, Ray Ballinger
1989: Found n = 26459, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown
1980: Found n = 7559, Jurgen Buhl, Walter Borho
1980: Found n = 5134, Jurgen Buhl, Walter Borho
1980: Found n = 4204, Jurgen Buhl, Walter Borho
1979: Found n = 12676, Jurgen Buhl, Walter Borho

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

[2] Jump up ↑ Sophie Germain n=2, Twin n=2, Near Woodall 3•2²-1, Williams 3•4¹-1

[3] Jump up ↑ Sophie Germain n=3, Woodall 3•2³-1

[4] Jump up ↑ Near Woodall 3•2⁴-1, Near Woodall 3•4²-1, Williams 3•4²-1

[5] Jump up ↑ Sophie Germain n=6, Twin n=6, Woodall 3•4³-1, Near Woodall 6•2⁵-1, Williams 3•4³-1

[6] Jump up ↑ Woodall 6•2⁶-1

[7] Jump up ↑ Near Woodall 6•4⁵-1

[8] Jump up ↑ Twin n=18, Woodall 3•64³-1, Williams 3•4⁹-1

[9] Jump up ↑ Williams 3•4¹⁷-1

[10] Jump up ↑ Woodall 12•8¹²-1, Williams 3•4¹⁹-1

[11] Jump up ↑ Woodall 6•128⁶-1

[12] Jump up ↑ Woodall 6•512⁶-1

[13] Jump up ↑ Williams 3•4³²-1

[14] Jump up ↑ Williams 3•4³⁸-1

[15] Jump up ↑ Williams 3•4⁴⁷-1

[16] Jump up ↑ Woodall 6•131072⁶-1

[17] Jump up ↑ Woodall 12•131072¹²-1, Williams 3•4¹⁰³-1

[18] Jump up ↑ Williams 3•4¹⁰⁸-1

[19] Jump up ↑ Williams 3•4¹⁵³-1

[20] Jump up ↑ Williams 3•4¹⁶²-1

[21] Jump up ↑ Woodall 384•2³⁸⁴-1

[22] Jump up ↑ Williams 3•4²²⁹-1

[23] Jump up ↑ Williams 3•4²³⁵-1

[24] Jump up ↑ Williams 3•4⁶³⁷-1

[25] Jump up ↑ Williams 3•4¹⁶³⁸-1

[26] Jump up ↑ Williams 3•4²¹⁰²-1

[27] Jump up ↑ Williams 3•4²⁵⁶⁷-1

[28] Jump up ↑ Williams 3•4⁶³³⁸-1

[29] Jump up ↑ Williams 3•4⁷⁴⁴⁹-1

[30] Jump up ↑ Williams 3•4¹²⁸⁴⁵-1

[31] Jump up ↑ Williams 3•4²⁰⁸¹⁴-1

[32] Jump up ↑ Williams 3•4⁴⁰¹⁶⁵-1

[33] Jump up ↑ Williams 3•4⁶¹⁸¹⁵-1

[34] Jump up ↑ Williams 3•4⁷⁷⁹⁶⁵-1

[35] Jump up ↑ Williams 3•4¹¹⁷³⁸⁰-1

[36] Jump up ↑ Williams 3•4²⁰⁷⁴²⁰-1

[37] Jump up ↑ Williams 3•4³⁵¹⁰¹⁹-1

[38] Jump up ↑ Williams 3•4⁴⁹⁶³⁵⁰-1

[39] Jump up ↑ Williams 3•4⁶⁰⁰⁵²³-1

[40] Jump up ↑ Williams 3•4^1156367-1

[41] Jump up ↑ Williams 3•4^2117707-1

[42] Jump up ↑ Williams 3•4^5742009-1

[43] Jump up ↑ Williams 3•4^5865925-1

[44] Jump up ↑ Williams 3•4^5947859-1

[45] Jump up ↑ Williams 3•4^8874017-1

[46] Jump up ↑ Williams 3•4^9462494-1

[47] Jump up ↑ Williams 3•4^10464378-1

[48] Jump up ↑ Williams 3•4^11051688-1

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[8]

[9]

[10]

[11]

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@@ Line 84: / Line 84: @@
 {{HistF|2022-01-18|18196595|(Anonymous),PrimeGrid 321 Prime Search|P#9911}} ([https://www.primegrid.com/download/321-18196595.pdf Official announcement])
 {{HistF|2021-09-06|17748034|Marc Wiseler,PrimeGrid 321 Prime Search|P#9757}} ([https://www.primegrid.com/download/321-17748034.pdf Official announcement])
-{{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|2021-01-20|16819291|Rudi Tapper,PrimeGrid 321 Prime Search|P#9554}} ([https://www.primegrid.com/download/321-16819291.pdf Official announcement])
 {{HistF|2015-06-23|11895718|Michael Schulz,PrimeGrid 321 Prime Search|P#6364}} ([http://www.primegrid.com/download/321-11895718.pdf Official announcement])
@@ Line 91: / Line 91: @@
 {{HistF|2010-04-24|6090515|David Mumper,PrimeGrid 321 Prime Search|P#1767#22799}} ([http://www.primegrid.com/download/321-6090515.pdf Official announcement])
 {{HistF|2008-03-23|4235414|Dylan Bennett,PrimeGrid 321 Prime Search|P#2333}} ([http://www.primegrid.com/download/321-4235414.pdf Official announcement])
-{{HistF|2007-03-08|3136255|Paul Underwood,321 Search|100309}}
+{{HistF|2007-03-08|3136255|Paul Underwood,321 Search|M#128961}}
-{{HistF|2005-12-20|2312734|Paul Underwood,321 Search|68346}}
+{{HistF|2005-12-20|2312734|Paul Underwood,321 Search|M#86456}}
-{{HistF|2004-08-30|1232255|Thomas Ritschel,321 Search|39327}}
+{{HistF|2004-08-30|1232255|Thomas Ritschel,321 Search|M#57006}}
-{{HistF|2004-08-24|1201046|Alexandre de Pereyra,321 Search|38786}}
+{{HistF|2004-08-24|1201046|Alexandre de Pereyra,321 Search|M#56778}}
-{{HistF|2004-05-17|992700|Jason Kowzun,321 Search|29361}}
+{{HistF|2004-05-17|992700|Jason Kowzun,321 Search|M#49841}}
-{{HistF|2004-01-23|727699|Luigi Morelli,321 Search|20517}}
+{{HistF|2004-01-23|727699|Luigi Morelli,321 Search|M#44774}}
-{{HistF|2003-11-13|702038|Thomas Ritschel,321 Search|13680}}
+{{HistF|2003-11-13|702038|Thomas Ritschel,321 Search|M#36714}}
-{{HistF|2003-08-20|584995|Sergey Kochergin,321 Search|4618}}
+{{HistF|2003-08-20|584995|Sergey Kochergin,321 Search|M#26855}}
-{{HistF|2003-05-21|414840|Paul Jobling,321 Search|4616}}
+{{HistF|2003-05-21|414840|Paul Jobling,321 Search|M#26853}}
-{{HistF|2003-04-10|234760|Thomas Ritschel,321 Search|4614}}
+{{HistF|2003-04-10|234760|Thomas Ritschel,321 Search|M#561}}
 {{HistF|1999-09-21|164987|Ingo Buechel,Wilfrid Keller}}
 {{HistF|1999-07-10|155930|Ingo Buechel,Wilfrid Keller}}

Difference between revisions of "Riesel prime 2 3"

Latest revision as of 05:13, 13 April 2025

Current data

Notes

History

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