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Generalized Woodall primes of the form n•128n-1
Current data
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Notes
- Jump up ↑ Mersenne 27-1
- Jump up ↑ Riesel 3•243-1
- Jump up ↑ Twin n=9, Riesel 9•263-1
- Jump up ↑ Riesel 19•2133-1
- Jump up ↑ Riesel 765•25355-1
- Jump up ↑ Riesel 861•26027-1
- Jump up ↑ Riesel 1741•212187-1
- Jump up ↑ Riesel 27291•2191037-1
- Jump up ↑ Riesel 89725•21256151-1
- Jump up ↑ Riesel 2329989•216309923-1
History
- 2024-11-06: Checked n = 1 - 100000, Gary Barnes, double-check, released
- 2024-10-28: Reserved by Gary Barnes, for n = 1 - 100000 double-check
- 2024-02-13: Found n = 2329989, Ryan Propper, Serge Batalov
- 2014-03-13: Checked to n = 25000, Steven Harvey, double-check
- 2013-10-30: Checked n = 145000 - 286000, Steven Harvey
- 2012-12-10: Found n = 179450, Steven Harvey
- 2012-11-15: Reserved by Steven Harvey to n = 285714
- 2012-10-10: Checked to n = 25000, Thomas Ritschel
- 2010-11-01: Checked n = 127 - 4000, Steven Harvey, double-check
- 2009-03-02: Checked n = 71000 - 145000, Steven Harvey
- 2008-09-26: Reserved by Steven Harvey to n = 142857
- 2005-02-09: Checked n = 10000 - 11000, Steven Harvey
- 2005-02-04: Reserved by Steven Harvey to n = 11000
- 2004-05-20: Checked to n = 71000, Steven Harvey
- 2002-12: Checked n = 127 - 10000, Mark Rodenkirch
- 2001-10-31: Found n = 27291, Steven Harvey
- ?: Found n = 1741, Andrew Walker
