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Riesel primes of the form 831•2n-1
Reserved! This sequence is currently part of Multi Reservation 3: NPLB Drive 18. |
Current data
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Notes
- ↑ Sophie Germain n=9, Twin n=9
- ↑ Sophie Germain n=22
History
- 2023-03-20: Found n = 2070622, Oliver Kruse
- 2023-01-21: Reserved by NPLB Drive 18, for 2000000<n<3000000
- 2023-01-21: Checked to n = 2000000, NPLB Drive 14, released
- 2015-01-01: Found n = 1386482, Gary Barnes, originally found by Max Dettweiler
- 2011-12-31: Reserved by NPLB Drive 14, for 1000000<n<=2000000
- 2011-07-11: Checked to n = 1000000, NPLB Drive 7, released
- 2008-12-22: Checked to n = 600000, NPLB Drive 1, released
- 2008-12-19: Reserved by NPLB Drive 7, for 600000<n<=1000000
- 2008-07-31: Found n = 513082, Gary Barnes
- 2008-06-24: Found n = 490927, James P. Burt
- 2008-06-06: Found n = 471566, James P. Burt
- 2008-04-23: Found n = 419018, Adam Sutton
- 2008-03-25: Checked to n = 333200, NPLB Drive 2, released
- 2008-02-29: Found n = 367702, 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
- 2005-09-25: Found n = 233487, Valerie Vonck
- 2005-02-24: Found n = 208045, Steven Harvey
- 2005-02-24: Found n = 206017, Steven Harvey
- 2002-11-10: Found n = 108598, Steven Harvey
- 2002-01-15: Found n = 95354, Andrew J. Rupinski
- 2002-01-14: Found n = 85885, Andrew J. Rupinski