Riesel primes of the form 59•2n-1

Current data

k , b : 59 , 2 Type : Low Count : 18 Nash : 639 Max n : 3,410,000 Date : 2024-05-07

12, 16, 72, 160, 256, 916, 1216, 1840, 3280, 8140, 10816, 15776, 40256, 72116, 134240, 145532, 358276, 3408416

History

• 2024-05-07: Reservation dropped, William Byerly
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2017-07-27: Reserved by William Byerly
• 2010-04-11: Checked n = 3400000 - 3410000, Borys Jaworski, released
• 2010-04-09: Found n = 3408416, Borys Jaworski
• 2010-03-31: Checked n = 3380000 - 3400000, Borys Jaworski
• 2010-02-28: Checked n = 3370000 - 3380000, Borys Jaworski
• 2010-01-31: Checked n = 3350000 - 3370000, Borys Jaworski
• 2009-12-31: Checked n = 3340000 - 3350000, Borys Jaworski
• 2009-12-01: none, Borys Jaworski
• 2009-10-31: Checked n = 3330000 - 3340000, Borys Jaworski
• 2009-09-30: Checked n = 3250000 - 3330000, Borys Jaworski
• 2009-08-31: Checked n = 3110000 - 3250000, Borys Jaworski
• 2009-07-31: Checked n = 3010000 - 3110000, Borys Jaworski
• 2009-06-30: Checked n = 2920000 - 3010000, Borys Jaworski
• 2009-05-31: Checked n = 2810000 - 2920000, Borys Jaworski
• 2009-04-30: Checked n = 2660000 - 2810000, Borys Jaworski
• 2009-03-27: Checked n = 2510000 - 2660000, Borys Jaworski
• 2009-02-26: Checked n = 2350000 - 2510000, Borys Jaworski
• 2009-01-29: Checked n = 2230000 - 2350000, Borys Jaworski
• 2009-01-09: Checked n = 1400000 - 2230000, Borys Jaworski
• 2008-01-21: Checked n = 1300000 - 1400000, Borys Jaworski
• 2007-12-25: Checked n = 1200000 - 1300000, Borys Jaworski
• 2007-12-02: Checked n = 1100000 - 1200000, Borys Jaworski
• 2007-10-21: Checked n = 1000000 - 1100000, Borys Jaworski
• 2007-04-25: Reserved by Borys Jaworski
• 2006-07-21: Checked n = 620000 - 1000000, Predrag Minovic, released
• 2006-03-23: Checked n = 120000 - 200000, Thomas Ritschel, double-check
• 2006-02-06: Checked n = 100000 - 110000, Thomas Ritschel, double-check
• 2005-10-04: Checked n = 500000 - 620000, Predrag Minovic
• 2004-12-04: Checked n = 210000 - 400000, Predrag Minovic
• 2004-11-28: Checked to n = 500000, Jeffrey Sax
• 2004-11-28: Found n = 358276, Jeffrey Sax
• 2004-08-06: Checked n = 200000 - 210000, Steven Harvey, released
• 2004-07-26: Reserved by Steven Harvey for n = 200000 - 210000
• 1999-10-05: Found n = 40256, Tom Kuechler