Riesel primes of the form 95•2n-1

Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1.

Current data

k , b : 95 , 2 Count : 28 Nash : 1490 Max n : 2,800,000 Date : 2024-11-13 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 6, 26, 32, 66, 128, 170, 288, 320, 470, 1278, 1296, 1316, 1536, 1608, 13230, 15438, 31268, 42198, 46688, 71636, 140840, 259076, 271590, 790508, 968636, 1543676, 11954552

History

• 2024-05-28: Found n = 11954552, Ivica Kelava
• 2024-04-23: Reserved by NPLB K300 Drive 1 for n > 2000000
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2012-01-04: Checked to n = 2000000, James P. Burt
• 2011-12-24: Found n = 1543676, James P. Burt
• 2011-05-07: Checked to n = 1300000, James P. Burt
• 2011-04-25: Reserved by James P. Burt
• 2010-10-31: Checked to n = 1150000, Predrag Minovic
• 2010-04-11: Checked to n = 1100000, Predrag Minovic
• 2010-02-11: Checked to n = 1050000, Predrag Minovic
• 2009-07-26: Checked n = 1635000 - 1643100, (unknown), See range done at RPS other completed ranges.
• 2009-02-13: Checked n = 969000 - 1000000, Predrag Minovic
• 2009-01-10: Checked to n = 960000, Predrag Minovic, continuing from n = 969000
• 2009-01-09: Checked n = 950000 - 969625, Peter Benson
• 2008-10-23: Found n = 790508, Predrag Minovic
• 2008-03-06: Found n = 968636, Peter Benson
• 2006-03-08: Checked to n = 700000, Predrag Minovic, released
• 2005-10-04: Checked to n = 440000, Predrag Minovic
• 2005-07-20: Found n = 271590, Predrag Minovic
• 2005-07-19: Found n = 259076, Predrag Minovic
• 2005-03-29: Reserved by Predrag Minovic
• 2005-01-10: Checked to n = 210000, Steven Harvey, released
• 2005-01-04: Reserved by Steven Harvey
• 2004-07-12: Checked to n = 200000, Thomas Ritschel
• 1999-08-02: Found n = 46688, Tom Kuechler
• 1999-07-31: Found n = 42198, Tom Kuechler
• 1999-06-07: Found n = 31268, Tom Kuechler