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Riesel primes of the form 423•2n-1
Reserved! This sequence is currently part of Multi Reservation 8: NPLB Drive 17. |
Current data
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Notes
History
- 2023-05-04: Found n = 2382134, Göran Schmidt
- 2023-04-11: Found n = 2353447, Florian Piesker
- 2022-10-03: Found n = 2088102, 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
- 2022-04-27: Found n = 1797511, Florian Piesker
- 2013-06-16: Found n = 1243214, Gary Barnes
- 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 = 924562, Scott Gilvey
- 2010-06-20: Found n = 833558, Vaughan Davies
- 2009-05-06: Found n = 673728, David James
- 2009-01-03: Found n = 609975, Glenn C. Kaiser
- 2008-12-22: Checked to n = 600000, NPLB Drive 1
- 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000
- 2008-06-21: 462792 confirmed, Gary Barnes
- 2008-03-25: Checked to n = 333200, NPLB Drive 2
- 2008-03-05: 372408 confirmed, 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
- 2005-10-30: Found n = 462792, Peter O'braian
- 2005-08-20: Found n = 398044, Peter O'braian
- 2005-08-19: Found n = 394575, Peter O'braian
- 2005-08-14: Found n = 372408, Peter O'braian
- 2005-01-06: Found n = 324430, Peter O'braian
- 2005-01-06: Found n = 323880, Peter O'braian
- 2005-01-06: Found n = 316412, Peter O'braian
- 2004-12-23: Found n = 268231, Peter O'braian
- 2004-10-13: Found n = 232218, Peter O'braian
- 2004-06-16: Found n = 167375, Steven Harvey
- 2001-05-13: Found n = 72612, Steven Harvey