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Riesel primes of the form 447•2n-1
Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17. |
Current data
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Notes
History
- 2023-03-04: Found n = 2308104, Florian Piesker
- 2022-09-14: Found n = 2063218, Bruce Marler
- 2022-08-10: Checked to n = 2000000, NPLB Drive 13, released
- 2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000
- 2022-04-10: Found n = 1753942, Florian Piesker
- 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000
- 2010-11-11: Checked to n = 1000000, NPLB Drive 5
- 2010-10-27: Found n = 918282, Ian M. Gunn
- 2010-06-28: Found n = 836966, Vaughan Davies
- 2010-06-02: Found n = 807089, Gary Barnes
- 2009-01-04: Found n = 610250, Chris Chatfield
- 2008-12-22: Checked to n = 600000, NPLB Drive 1
- 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
- 2008-12-09: Found n = 585292, Gary Barnes
- 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
- 2005-08-17: Found n = 377286, Peter O'braian
- 2005-03-08: Found n = 339169, Peter O'braian
- 2005-03-03: Found n = 310829, Peter O'braian
- 2004-10-17: Found n = 218180, Peter O'braian
- 2004-10-16: Found n = 209576, Peter O'braian
- 2003-04-10: Found n = 191720, Dennis Okon
- 2003-04-10: Found n = 179742, Dennis Okon
- 2003-04-10: Found n = 178392, Dennis Okon
- 2003-03-10: Found n = 130586, Dennis Okon
- 2002-01-12: Found n = 88740, Kimmo Herranen