Riesel primes of the form 361•2n-1

Current data

k , b : 361 , 2 Count : 40 Nash : 1627 Max n : Attention! Parameter RMaxn not given! Date :

3, 5, 9, 11, 17, 35, 45, 57, 71, 119, 131, 273, 393, 477, 489, 497, 1361, 1539, 2201, 2693, 3585, 4305, 6149, 8205, 8793, 8997, 9611, 10935, 13853, 15323, 22277, 23045, 26475, 27845, 36897, 163917, 197475, 1033973, 1043099, 1346489

History

• 2022-06-03: Reserved by NPLB Drive 16, for 2000000<n<3000000
• 2014-12-28: Checked to n = 2000000, NPLB Maxi Drive 1, released
• 2014-08-20: Reserved by NPLB Maxi Drive 1, for 1610000<n<2000000
• 2013-06-19: Found n = 1346489, Ian M. Gunn
• 2013-04-28: Reserved by NPLB Maxi Drive 1, for 1300000<n<2000000
• 2013-02-09: Found n = 1043099, Ian M. Gunn
• 2013-02-07: Found n = 1033973, Ian M. Gunn
• 2013-04-28: Reserved by NPLB Maxi Drive 1, for 1300000<n<2000000
• 2013-01-14: Reserved by NPLB Maxi Drive 1, for 1000000<n<1300000
• 2009-08-12: Reserved by NPLB Mini Drive 4, for 900000<n<1000000
• 2009-06-18: Reserved by NPLB Mini Drive 4, for 800000<n<900000
• 2009-05-29: Reserved by NPLB Mini Drive 4, for 700000<n<800000
• 2009-05-09: Checked to n = 700000, Gary Barnes, released
• 2009-05-05: Checked to n = 682000, Gary Barnes
• 2009-05-01: Checked to n = 670000, Gary Barnes
• 2009-04-27: Checked to n = 640000, Gary Barnes
• 2009-04-15: Reserved by Gary Barnes, for 620000<n<700000
• 2009-04-13: Checked to n = 620000, Karsten Bonath, released
• 2009-03-15: Reserved by Karsten Bonath, for 600000<n<620000
• 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
• 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
• 2004-10-05: Found n = 197475, Steven Harvey
• 2004-04-29: Found n = 163917, Steven Harvey