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Riesel primes of the form 561•2n-1
| Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17. |
Current data
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Notes
History
- 2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
- 2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
- 2022-08-08: Found n = 1996865, Florian Piesker
- 2022-04-30: Found n = 1805767, Florian Piesker
- 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
- 2010-11-11: Checked to n = 1000000, NPLB Drive 5
- 2010-08-30: Found n = 900097, Gary Barnes
- 2008-12-22: Checked to n = 600000, NPLB Drive 1
- 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
- 2008-11-13: Found n = 546613, Ian M. Gunn
- 2008-08-07: Found n = 515702, Gary Barnes
- 2008-06-22: Found n = 520850, Lennart Vogel
- 2008-03-25: Checked to n = 333200, NPLB Drive 2
- 2008-02-14: Found n = 351074, James P. Burt
- 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
- 2008-01-21: Reserved by NPLB Drive 1, for 333201<=n<=600000
- 2002-06-21: Found n = 166274, Marcin Lipinski
- 2002-06-12: Found n = 101326, Marcin Lipinski
- 1998-11-15: Found n = 115081, Kimmo Herranen
- 1998-11-12: Found n = 55486, Joe Eversole
- 1998-11-07: Found n = 41098, Joe Eversole
- 1998-11-03: Found n = 21497, Thomas Nokleby
