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Riesel primes of the form 273•2n-1
Current data
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Notes
History
- 2022-11-16: Found n = 6963847, Ryan Propper
- 2020-07-12: Found n = 2024810, Paul Vanderveen
- 2020-06-18: Reserved by Paul Vanderveen
- 2013-03-29: Checked to n = 2000000, Peter Benson, released
- 2013-03-25: Found n = 1788926, Peter Benson
- 2013-03-24: Found n = 1766747, Peter Benson
- 2013-03-21: Found n = 1365107, Peter Benson
- 2013-03-21: Found n = 1356347, Peter Benson
- 2013-03-21: Found n = 1352006, Peter Benson
- 2013-03-20: Reserved by Peter Benson from n=1300000
- 2012-05-14: Checked to n = 1300000, James P. Burt, released
- 2012-04-05: Found n = 1209170, James P. Burt
- 2011-12-31: Checked to n = 1100000, James P. Burt
- 2011-12-10: Reserved by James P. Burt from n=1000000
- 2009-07-30: Reserved by Borys Jaworski from n=1000000
- 2008-04-05: Found n = 930663, Larry Soule
- 2007-09-20: Found n = 742930, Predrag Minovic
- 2007-01-29: Found n = 522287, David Metcalfe
- 2005-03-06: Found n = 238687, James S. Griffin
- 2005-01-15: Found n = 206118, Steven Harvey
- 2004-02-24: Found n = 156155, Darren Wallace
- 2003-07-30: Found n = 119743, Michael Ian Hartley
- 1999-02-17: Found n = 40186, Christ van Willegen
- 1998-10-27: Found n = 26340, Peter Dodson
- 1998-12-09: Found n = 20906, Wilfrid Keller