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Riesel primes of the form 93•2n-1
Current data
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Notes
- ↑ Sophie Germain n=3
- ↑ Twin n=4
- ↑ Twin n=10
- ↑ Sophie Germain n=18
History
- 2024-04-23: Reservation dropped, Michael Curtis
- 2023-07-17: Checked to n = 3000000, Michael Curtis
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2020-03-13: Checked to n = 2630000, Michael Curtis
- 2017-07-03: Checked to n = 2600000, Michael Curtis
- 2016-11-04: Found n = 2708718, Michael Curtis
- 2016-08-27: Found n = 2602483, Michael Curtis
- 2016-01-03: Checked to n = 2270000, Michael Curtis
- 2015-04-01: Checked to n = 1720000, Michael Curtis
- 2014-10-05: Checked to n = 1650000, Michael Curtis
- 2014-03-07: Checked to n = 1630000, Michael Curtis
- 2013-12-07: Checked to n = 1600000, Michael Curtis
- 2013-09-04: Checked to n = 1530000, Michael Curtis
- 2013-06-11: Checked to n = 1480000, Michael Curtis
- 2011-12-04: Checked to n = 1400000, Michael Curtis
- 2011-06-02: Checked to n = 1290000, Michael Curtis
- 2010-10-21: none, Michael Kwok, released
- 2010-10-20: Reserved by Michael Curtis
- 2010-09-28: Reserved by Michael Kwok
- 2009-01-30: Checked to n = 1200000, Michael Curtis, released
- 2008-10-28: Checked to n = 1150000, Michael Curtis
- 2008-09-15: Found n = 990684, Michael Curtis
- 2008-07-14: none, Michael Curtis
- 2008-04-30: Checked to n = 980000, Michael Curtis
- 2008-03-15: none, Michael Curtis
- 2008-02-22: Checked to n = 890000, Michael Curtis
- 2008-01-17: Found n = 903187, Michael Curtis
- 2008-01-13: Checked to n = 860000, Michael Curtis
- 2008-01-07: none, Michael Curtis
- 2007-11-21: none, Michael Curtis
- 2007-10-24: Checked to n = 850000, Michael Curtis
- 2007-09-10: Checked to n = 710000, Michael Curtis
- 2007-07-30: Checked to n = 680000, Michael Curtis
- 2007-07-18: Checked to n = 680000, Michael Curtis
- 2007-01-19: Found n = 580482, Ingmar Goudt
- 2006-03-05: Found n = 362268, Ingmar Goudt
- 2005-08-16: Found n = 251199, Ingmar Goudt
- 2005-01-05: Found n = 205158, Steven Harvey
- 2005-01-05: Found n = 203728, Steven Harvey
- 2004-07-06: Found n = 176479, Steven Harvey
- 2004-07-06: Found n = 174412, Steven Harvey
- 1999-04-13: Found n = 29154, Tom Kuechler
- 1994: Found n = 7344, Harvey Dubner