Riesel primes of the form 20049•4n-1

Current data

k , b : 20049 , 4 Count : 1 Nash : 503 Max n : 843,626 Date : 2011-06-02

843626

Remarks :

CRUS Liskovets-Gallot search for Riesel 20049•2n-1 even n.

History

• 2011-06-02: Found n = 843626, Ian M. Gunn, CRUS Liskovets-Gallot
• 2011-05-13: Checked to n = 700000, (PRPnet port 1300), Conjectures 'R Us
• 2011-02-07: Reserved by (PRPnet port 1300), Conjectures 'R Us
• 2011-02-02: Checked to n = 600000, Karsten Bonath, released
• 2010-06-27: Checked to n = 600000, Karsten Bonath
• 2010-03-28: Checked to n = 568000, Karsten Bonath
• 2009-04-10: Checked to n = 563000, Karsten Bonath
• 2008-12-11: Checked to n = 482000, Karsten Bonath
• 2008-06-15: Checked to n = 218500, Karsten Bonath
• 2008-05-04: Checked to n = 192500, Karsten Bonath
• 2008-04-05: Checked to n = 189500, Karsten Bonath
• 2008-02-14: Checked to n = 150000, Karsten Bonath
• 2008-01-10: Reserved by Karsten Bonath
• 2008-01-10: Checked to n = 132572, Jean Penné, released
• 2007-12-19: Reserved by Jean Penné