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Riesel primes of the form 389•2n-1
Reserved! This sequence is currently part of Multi Reservation 26: NPLB Drive 19. |
Current data
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History
- 2023-03-07: Reserved by NPLB Drive 19, for 3000000<n<4000000
- 2023-03-07: Checked to n = 3000000, NPLB Drive 16, released
- 2022-06-03: Reserved by NPLB Drive 16, for 2000000<n<3000000
- 2013-03-10: Checked to n = 2000000, Ian M. Gunn, released
- 2013-02-16: Reserved by Ian M. Gunn, to n=2000000
- 2010-09-26: Checked to n = 1300000, Ian M. Gunn, released
- 2010-09-01: Reserved by Ian M. Gunn, for 1000000<n<1300000
- 2008-12-03: Checked to n = 1000000, Ian M. Gunn, released
- 2008-11-25: Checked to n = 800000, Ian M. Gunn
- 2008-11-19: Checked to n = 700000, Ian M. Gunn
- 2008-11-17: Checked to n = 632000, Ian M. Gunn, some other ranges
- 2008-11-14: Reserved by Ian M. Gunn, for 600000<n<1000000
- 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
- 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
- 2002-06-10: Found n = 149820, Andrew J. Rupinski
- 1999-11-21: Found n = 93336, Dale Andrews