Difference between revisions of "Riesel prime 2 31"

Latest revision as of 18:20, 1 October 2024

Reserved! This sequence is currently reserved by: Michael Curtis, Ryan Propper

Current data

`k` , `b` :	31 , 2
Count :	53
Nash :	2188
Max `n` :	3,350,000
Date :	2024-09-24
Reserved :	Michael Curtis, Ryan PropperMichael Curtis/ReservedRyan Propper/Reserved

1, 5^[1], 7, 11, 13, 23, 33, 35^[2], 37, 47, 115^[3], 205^[4], 235^[5], 271, 409, 739, 837, 887, 2189, 3465^[6], 4653, 5073, 8011, 8061, 21957, 24589, 25657, 44653, 50321, 57647, 62083, 78179, 80021, 81655^[7], 111667, 150265^[8], 177089, 196433, 274115^[9], 306751, 311389, 315523, 406105^[10], 421129, 666285^[11], 773227, 1142093, 1611311, 1755317, 2585311, 3259185^[12], 3326149, 9088085^[13]

Remarks :

The sequence A050541 in OEIS
See also Williams 31•32ⁿ-1

Notes

History

2024-09-24: Checked n = 3259185 - 3350000, Michael Curtis
2024-09-24: Found n = 3326149, Michael Curtis
2024-08-27: Found n = 9088085, Ryan Propper
2024-08-16: Reserved by Ryan Propper, for n = 6000000 - 12000000
2024-05-22: Checked n = 3000000 - 3259185, Michael Curtis
2024-05-20: Found n = 3259185, Michael Curtis
2023-07-17: Checked n = 2282000 - 3000000, Michael Curtis
2022-12-03: Found n = 2585311, Michael Curtis
2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
2021-02-13: Reserved by Michael Curtis
2016-01-27: Checked to n = 2282000, Steven Tjung
2014-01-13: Checked to n = 2100000, Steven Tjung
2014-09-13: Checked to n = 2066000, Steven Tjung
2013-08-22: none, Steven Tjung
2012-08-19: Checked to n = 2020000, Steven Tjung
2011-01-28: Found n = 1755317, Steven Tjung
2010-02-24: Found n = 1611311, Steven Tjung
2009-12-05: Checked to n = 1600000, Steven Tjung
2009-10-06: Checked to n = 1570000, Steven Tjung
2009-07-26: Checked n = 1650000 - 1652063?, (unknown), See range done at RPS other completed ranges.
2009-05-15: Checked to n = 1510000, Steven Tjung
2009-04-06: Checked to n = 1370000, Steven Tjung
2009-02-12: Checked to n = 1350000, Steven Tjung
2009-01-09: Checked n = 950000 - 1015948, 1140029 - 1162645, 1430011 - 1445009, 1652063 - 1722449, 1967593 - 2002883, Peter Benson
2008-12-09: Found n = 421129, Raffaele De Troia, missing prime found
2008-12-02: Found n = 406105, Raffaele De Troia, missing prime found
2008-11-21: Checked to n = 1300000, Steven Tjung
2008-04-02: Found n = 1142093, Peter Benson
2008-01-31: Checked to n = 735000, Steven Tjung
2008-01-02: Checked to n = 707000, Steven Tjung
2007-12-30: Found n = 666285, Steven Tjung
2007-12-08: Checked to n = 685000, Steven Tjung
2007-12-07: Found n = 773227, Steven Tjung
2007-11-01: Checked to n = 645000, Steven Tjung
2007-09-06: Checked to n = 570000, Steven Tjung
2007-07-13: Checked to n = 567000, Steven Tjung
2007-06-25: Checked to n = 558000, Steven Tjung
2007-04-22: Checked to n = 527000, Steven Tjung
2007-03-10: Checked to n = 525000, Steven Tjung
2007-01-12: Checked to n = 507000, Steven Tjung
2006-11-03: Reserved by Steven Tjung
2004-08-18: Checked to n = 500000, Steven Harvey, released
2004-08-06: Checked to n = 494600, Steven Harvey
2004-08-03: Checked to n = 493000, Steven Harvey
2004-08-01: Checked to n = 492500, Steven Harvey
2004-07-26: Checked to n = 492000, Steven Harvey
2004-06-24: Checked to n = 426000, Steven Harvey
2004-05-19: Checked to n = 395119, Steven Harvey
2004-04-28: Found n = 315523, Steven Harvey
2004-04-27: Checked to n = 313000, Steven Harvey
2004-04-27: Found n = 311389, Steven Harvey
2004-04-26: Checked n = 1 - 143000,150000 - 307553, Steven Harvey
2004-04-26: Found n = 306751, Steven Harvey
2004-04-21: Checked n = 110000 - 120000,150000 - 294739, Steven Harvey
2004-04-19: Found n = 274115, Steven Harvey
2004-04-05: Found n = 196433, Steven Harvey
2004-04-04: Found n = 177089, Steven Harvey
2003-03-20: Found n = 111667, Steven Harvey
2000-06-03: Found n = 62083, Phil Carmody
2000-05-31: Found n = 57647, Phil Carmody
2000-05-22: Found n = 44653, Phil Carmody
1998-08-13: Found n = 25657, Wilfrid Keller
1998-08-13: Found n = 24589, Wilfrid Keller
1998-08-09: Found n = 21957, Wilfrid Keller

[1] Williams 31•32¹-1

[2] Williams 31•32⁷-1

[3] Williams 31•32²³-1

[4] Williams 31•32⁴¹-1

[5] Williams 31•32⁴⁷-1

[6] Williams 31•32⁶⁹³-1

[7] Williams 31•32¹⁶³³¹-1

[8] Williams 31•32³⁰⁰⁵³-1

[9] Williams 31•32⁵⁴⁸²³-1

[10] Williams 31•32⁸¹²²¹-1

[11] Williams 31•32¹³³²⁵⁷-1

[12] Williams 31•32⁶⁵¹⁸³⁷-1

[13] Williams 31•32^1817617-1

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

[13]

@@ Line 2: / Line 2: @@
 |Rk=31
 |Rb=2
-|RCount=52
+|RCount=53
 |RNash=2188
-|RMaxn=3259185
+|RMaxn=3350000
-|RDate=2024-08-16
+|RDate=2024-09-24
 |RReserved=Michael Curtis, Ryan Propper
 |RNlist=
+;C:{{NWi|MM|32|1}}
@@ Line 15: / Line 15: @@
+;C:{{NWi|MM|32|7}}
+;C:{{NWi|MM|32|23}}
+;C:{{NWi|MM|32|41}}
+;C:{{NWi|MM|32|47}}
@@ Line 27: / Line 27: @@
+;C:{{NWi|MM|32|693}}
@@ Line 41: / Line 41: @@
+;C:{{NWi|MM|32|16331}}
 ;64194
+;C:{{NWi|MM|32|30053}}
 ;69748
 ;69755
-;69928
+;69928;C:{{NWi|MM|32|54823}}
 ;70061
 ;70070
 ;70075
-;85865
+;85865;C:{{NWi|MM|32|81221}}
 ;85894
-;83426
+;83426;C:{{NWi|MM|32|133257}}
 ;83181
 1142093;84555
@@ Line 58: / Line 58: @@
 1755317;97805
 2585311;134604
-3259185;138130
+3259185;138130;C:{{NWi|MM|32|651837}}
-9088085;138447
+3326149;138573
-|RRemarks=For <math>n \equiv 0 \pmod{5}</math> see {{NWi|MM|32|n}}.
+9088085;138447;C:{{NWi|MM|32|1817617}}
+|RRemarks=The {{OEIS|l|A050541}}<br>See also {{NWi|MM|32|n}}
 }}
 ==History==
+{{HistC|2024-09-24|3259185-3350000|Michael Curtis|1054445}}
+{{HistF|2024-09-24|3326149|Michael Curtis|1054445}}
 {{HistF|2024-08-27|9088085|Ryan Propper}}
 {{HistR|2024-08-16|Ryan Propper|665520}}, for {{Rn|6000000|12000000}}
-{{HistC|2024-05-22|3259185|Michael Curtis|657845}}
+{{HistC|2024-05-22|3000000-3259185|Michael Curtis|657845}}
 {{HistF|2024-05-20|3259185|Michael Curtis|657845}}
-{{HistC|2023-07-17|3000000|Michael Curtis|634485}}
+{{HistC|2023-07-17|2282000-3000000|Michael Curtis|634485}}
 {{HistF|2022-12-03|2585311|Michael Curtis}}
 {{HistC|2021-03-21|1-1000000|Gary Barnes|574248}}, double check, results included

Difference between revisions of "Riesel prime 2 31"

Latest revision as of 18:20, 1 October 2024

Current data

Notes

History

Navigation menu

Personal tools

Namespaces

Variants

Views

More

Search

Navigation

Prime (direct)

Prime Wiki

Tools