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Riesel primes of the form 41•2n-1
Current data
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History
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2014-03-06: Checked to n = 4500000, Serge Batalov, released
- 2014-03-04: Checked to n = 4000000, Serge Batalov
- 2014-03-01: Reserved by Serge Batalov for n=3000000-4000000
- 2013-07-01: Checked to n = 3000000, Thomas Ritschel, released
- 2013-06-22: Found n = 2872058, Thomas Ritschel
- 2013-04-23: Checked to n = 2100000, Thomas Ritschel
- 2013-01-31: Checked to n = 2000000, Thomas Ritschel
- 2012-12-28: Reserved by Thomas Ritschel from n=1700000
- 2010-08-09: Checked to n = 1700000, Michael Curtis, released
- 2010-03-21: Checked to n = 1350000, Michael Curtis
- 2010-01-12: Checked to n = 1220000, Michael Curtis
- 2009-10-14: Checked to n = 1160000, Michael Curtis
- 2009-09-01: Checked to n = 1010000, Michael Curtis
- 2009-09-08: Found n = 1018778, Michael Curtis
- 2009-03-15: Found n = 1059562, Michael Curtis
- 2009-02-13: none, Michael Curtis
- 2008-10-23: Reserved by Michael Curtis
- 2008-07-07: Checked to n = 1000000, Gary Barnes released
- 2008-02-01: Checked to n = 705000, Gary Barnes
- 2008-01-10: Checked to n = 600000, Gary Barnes
- 2007-04-18: Found n = 511718, Jeffrey Sax
- 2000-06-29: Found n = 64218, Tom Kuechler
- 1999-12-27: Found n = 42450, Tom Kuechler