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Riesel primes of the form 63•2n-1
Current data
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Remarks : |
See also Williams 63•64n-1 |
Notes
- Jump up ↑ Sophie Germain n=2
- Jump up ↑ Twin n=14
- Jump up ↑ Williams 63•6411-1
- Jump up ↑ Near Woodall 126•2125-1, Woodall 63•463-1, Williams 63•6421-1
- Jump up ↑ Williams 63•64119-1
- Jump up ↑ Sophie Germain n=758, Woodall 252•8252-1
- Jump up ↑ Williams 63•641677-1
- Jump up ↑ Williams 63•643939-1
- Jump up ↑ Williams 63•6418759-1
- Jump up ↑ Williams 63•6419151-1
- Jump up ↑ Williams 63•6420629-1
- Jump up ↑ Williams 63•6436449-1
- Jump up ↑ Williams 63•64101784-1
History
- 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
- 2013-11-18: Checked n = 4000000 - 5000000, Peter Benson
- 2013-06-29: Checked n = 3000000 - 4000000, Peter Benson
- 2013-05-06: Checked n = 1700000 - 3000000, Peter Benson
- 2013-04-02: Reserved by Peter Benson from n = 1700000
- 2011-05-09: Checked n = 1672000 - 1700000, Peter Benson, n = 1653000 - 1672000 previously done, released
- 2011-05-01: Checked n = 1130000 - 1653000, Peter Benson
- 2011-04-29: Found n = 1626259, Peter Benson
- 2011-04-28: Found n = 1535612, Peter Benson
- 2011-04-25: Found n = 1357156, Peter Benson
- 2011-04-21: Reserved by Peter Benson from n = 1130000
- 2010-05-04: Checked n = 1100000 - 1120000, Predrag Minovic
- 2010-04-13: Checked n = 1090000 - 1100000, Predrag Minovic
- 2010-04-11: Checked n = 1000000 - 1090000, Predrag Minovic
- 2009-07-26: Checked n = 1120000 - 1130000, Predrag Minovic, See range done at RPS other completed ranges.
- 2009-01-09: Checked n = 950000 - 986617, 1652072 - 1672192, Peter Benson
- 2008-07-12: Found n = 1659338, Peter Benson
- 2008-07-07: Checked n = 705000 - 1000000, Gary Barnes, released
- 2008-05-23: Found n = 1126551, Predrag Minovic
- 2008-02-01: Checked n = 618000 - 705000, Gary Barnes
- 2008-01-14: Checked n = 600000 - 618000, Gary Barnes
- 2008-01-14: Found n = 610704, Gary Barnes
- 2008-01-10: Checked n = 500000 - 600000, Gary Barnes
- 2007-12-29: Reserved by Gary Barnes to n = 800000
- 2006-03-08: Checked n = 323600 - 500000, Predrag Minovic, released
- 2005-12-25: Found n = 340463, Predrag Minovic
- 2005-12-21: Checked n = 200000 - 323600, Predrag Minovic
- 2005-12-21: Found n = 323432, Predrag Minovic
- 2005-12-05: Reserved by Predrag Minovic for n = 200000 - 500000
- 2004-05-26: Reserved by Mark Anderson for n = 250 - 200000
- 2002-07-11: Found n = 218694, Peter Grobstich
- 2002-06-11: Found n = 132203, Peter Grobstich
- 2002-06-10: Found n = 123774, Peter Grobstich
- 2002-06-10: Found n = 114906, Peter Grobstich
- 2002-06-10: Found n = 112554, Peter Grobstich
- 2002-06-06: Found n = 155998, Peter Grobstich
- 1989: Found n = 44198, Sergio Zarantonello, Joel Smith, Gene Smith, Bodo Parady, Landon Curt Noll, John Brown