Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3). |
Navigation
Topics | Help • Register • News • History • How to • Sequences statistics • Template prototypes |
Riesel primes of the form 207•2n-1
Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1. |
Current data
|
|
Notes
History
- 2024-05-08: Found n = 2212517, Gary Barnes, NPLB K300 Drive 1
- 2024-04-23: Reserved by NPLB K300 Drive 1 for n > 2000000
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2021-02-13: Checked to n = 2000000, Steven Tjung, released
- 2016-01-27: Checked to n = 2000000, Steven Tjung
- 2014-01-13: Checked to n = 1730000, Steven Tjung
- 2014-09-13: Checked to n = 1700000, Steven Tjung
- 2014-02-03: Checked to n = 1590000, Steven Tjung
- 2013-11-06: Found n = 1453970, Steven Tjung
- 2013-08-22: Checked to n = 1342000, Steven Tjung
- 2013-04-05: Checked to n = 1200000, Steven Tjung
- 2012-11-03: Checked to n = 1100000, Steven Tjung
- 2012-10-19: Checked to n = 1084000, Steven Tjung
- 2012-08-19: Checked to n = 1030000, Steven Tjung
- 2009-12-05: none, Steven Tjung
- 2009-10-06: Checked to n = 1000000, Steven Tjung
- 2009-05-14: Checked to n = 925000, Steven Tjung
- 2009-05-14: Found n = 912512, Steven Tjung
- 2009-04-06: Checked to n = 900000, Steven Tjung
- 2009-02-12: Checked to n = 845000, Steven Tjung
- 2008-01-31: Checked to n = 704000, Steven Tjung
- 2008-01-04: Checked to n = 662000, Steven Tjung
- 2007-12-07: Checked to n = 646000, Steven Tjung
- 2007-12-07: Found n = 643478, Steven Tjung
- 2007-11-01: none, Steven Tjung
- 2007-09-06: Checked to n = 586000, Steven Tjung
- 2007-07-13: Checked to n = 583000, Steven Tjung
- 2007-06-25: Checked to n = 571000, Steven Tjung
- 2007-05-14: Found n = 507833, Steven Tjung
- 2007-05-01: Found n = 481385, Steven Tjung
- 2007-04-22: Checked to n = 460000, Steven Tjung
- 2007-03-16: Found n = 417818, Steven Tjung
- 2007-03-15: Found n = 372312, Steven Tjung
- 2007-03-10: Checked to n = 342000, Steven Tjung
- 2007-01-12: Checked to n = 300000, Steven Tjung
- 2006-11-03: Checked to n = 273000, Steven Tjung
- 2006-09-05: Reserved by Steven Tjung
- 2004?: Checked to n = 250000, Mark Anderson, released
- 2004-08-05: Found n = 232436, Mark Anderson
- 2004-06-04: Reserved by Mark Anderson, for n ≤ 250000
- 1989: Found n = 67196, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown