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Riesel primes of the form 443•2n-1
| Reserved! This sequence is currently reserved by: Michael Curtis |
Current data
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Remarks : |
NPLB Drive 17 is double-checking n=2000000-3000000.
For additional n ≡ 0 mod 4 history, see Conjectures 'R Us search at Riesel 443•16n-1. |
History
- 2024-06-24: Checked to n = 4000000, Michael Curtis
- 2022-08-10: Checked to n = 2000000, NPLB Drive 13, double-check, released
- 2022-08-09: Reserved by NPLB Drive 17, for 2000000<n<3000000 double-check
- 2020-03-13: Checked to n = 3490000, Michael Curtis
- 2017-06-19: Checked to n = 3310000, Michael Curtis
- 2015-06-29: Checked n = 3200000-6000000 per results file, Dmitry Domanov, Conjectures 'R Us, only n ≡ 0 mod 4, released
- 2015-04-05: Checked to n = 2310000, Michael Curtis
- 2013-06-10: Checked to n = 2000000, Michael Curtis
- 2013-04-07: Checked to n = 2000000, Michael Curtis
- 2012-09-24: 1143154 confirmed, Lennart Vogel, NPLB Drive 13
- 2011-08-04: Reserved by NPLB Drive 13, for 1000000<n<2000000 double-check
- 2011-04-08: Checked to n = 1500000, Michael Curtis
- 2011-02-05: Checked to n = 1400000, Michael Curtis
- 2010-11-24: Found n = 1143154, Michael Curtis
- 2010-11-11: Checked to n = 1000000, NPLB Drive 5, double-check
- 2010-11-10: Checked to n = 1100000, Michael Curtis
- 2010-10-28: none, Michael Curtis
- 2009-10-24: Checked to n = 1045000, Michael Curtis
- 2008-12-22: Checked to n = 600000, NPLB Drive 1
- 2008-12-19: Reserved by NPLB Drive 5, for 600000<n<1000000 double-check
- 2008-12-12: Checked to n = 1040000, Michael Curtis
- 2008-05-08: Checked to n = 825000, Michael Curtis
- 2008-03-25: Checked to n = 333200, NPLB Drive 2
- 2008-03-21: Checked to n = 740000, Michael Curtis
- 2008-02-20: Checked to n = 550000, Michael Curtis
- 2008-01-22: Reserved by NPLB Drive 2, for 260000≤n≤333200
- 2008-01-21: Reserved by NPLB Drive 1, for 333201≤n≤600000
- 2008-01-05: Reserved by Michael Curtis, for n≤1200000
- 2007?: Checked to n = 260000, ?
- 2002-03-26: Found n = 234114, Peter O'braian
