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Riesel primes of the form 403•2n-1
| Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17. |
Current data
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History
- 2023-01-23: Found n = 2254355, Florian Piesker
- 2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
- 2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
- 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
- 2010-11-11: Checked to n = 1000000, NPLB Drive 5
- 2010-11-02: 981831 confirmed, Brian Lody
- 2008-12-22: Checked to n = 600000, NPLB Drive 1
- 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
- 2008-12-14: Found n = 981831, James P. Burt
- 2008-03-25: Checked to n = 333200, NPLB Drive 2
- 2008-01-22: Reserved by NPLB Drive 2, for 260000<=n<=333200
- 2008-01-21: Reserved by NPLB Drive 1, for 333201<n<600000
- 2003-12-06: Found n = 236111, Andrew J. Rupinski
- 2003-12-04: Found n = 212027, Andrew J. Rupinski
- 2003-08-15: Found n = 145991, Peter O'braian
