Riesel primes of the form 35•2n-1

Reserved! This sequence is currently part of Multi Reservation 4: NPLB K300 Drive 2.

Current data

k , b : 35 , 2 Count : 35 Nash : 1264 Max n : 3,100,000 Date : 2025-03-12 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

2, 6, 10, 20, 44, 114, 146, 156, 174, 260, 306, 380, 654, 686, 702, 814, 906, 1196, 1316, 3062, 4116, 9382, 23562, 25742, 32564, 72444, 97550, 112390, 118510, 246732, 252910, 634402, 805222, 839082, 1817486

Remarks :

The sequence A050543 in OEIS

History

• 2025-03-12: Reserved by NPLB K300 Drive 2 from n = 3100000
• 2024-04-22: Checked n = 978400 - 1465000, 2430000 - 2520000, Gary Barnes
• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2020-11-12: Checked n = 3000000 - 3100000, RPS Megabit Drive 1
• 2018-04-11: Checked n = 2520000 - 3000000, RPS Megabit Drive 1
• 2014-08-12: Reserved by RPS Megabit Drive 1 from n = 2520000
• 2013-09-08: Checked n = 2390000 - 2430000, Predrag Minovic
• 2013-07-09: Checked n = 2230000 - 2390000, Predrag Minovic
• 2013-01-04: Checked n = 2000000 - 2230000, Predrag Minovic
• 2012-03-04: Checked n = 1940000 - 2000000, Predrag Minovic
• 2011-12-31: Checked n = 1780000 - 1940000, Predrag Minovic
• 2011-08-21: Found n = 1817486, Predrag Minovic
• 2011-06-04: Checked n = 1720000 - 1780000, Predrag Minovic
• 2009-08-09: Checked n = 1500000 - 1550000, 1715000 - 1720000, Predrag Minovic
• 2009-08-09: Checked n = 1550000 - 1715000, Predrag Minovic, James P. Burt, Borys Jaworski
• 2009-07-26: Checked to n = 1540000, (unknown), See limit at RPS other completed ranges.
• 2009-04-04: Checked n = 1465000 - 1500000, Predrag Minovic
• 2009-01-10: Reserved by Predrag Minovic for n = 1465000 - 1550000
• 2009-01-09: Checked n = 950000 - 1010945, 1140050 - 1156884, 1430002 - 1437842, 1652062 - 1713836, 1967586 - 1992846, Peter Benson
• 2008-10-11: Reserved by Predrag Minovic for n = 978400 - 985000
• 2008-10-11: Checked n = 964000 - 978400, Chris Chatfield, released
• 2007-12-09: Checked n = 900000 - 964000, Chris Chatfield
• 2007-07-08: Checked n = 881000 - 900000, Chris Chatfield
• 2007-06-14: Checked n = 800000 - 881000, Chris Chatfield
• 2007-05-31: Found n = 839082, Chris Chatfield
• 2007-03-08: Found n = 805222, Chris Chatfield
• 2007-02-27: Checked n = 750000 - 800000, Chris Chatfield
• 2007-01-01: Checked n = 700000 - 750000, Chris Chatfield
• 2006-11-26: Checked n = 600000 - 700000, Chris Chatfield
• 2006-10-21: Found n = 634402, Chris Chatfield
• 2006-10-13: Checked n = 500000 - 600000, Chris Chatfield
• 2006-09-15: Checked n = 420000 - 500000, Chris Chatfield
• 2006-08-30: Reserved by Chris Chatfield
• 2006-03-23: Checked n = 120000 - 200000, Thomas Ritschel, double-check
• 2004-11-04: Checked n = 360000 - 420000, Predrag Minovic, released
• 2004-08-24: Checked n = 250000 - 360000, Predrag Minovic
• 2004-08-24: Found n = 252910, Predrag Minovic
• 2004-08-20: Checked n = 210000 - 250000, Predrag Minovic
• 2004-08-20: Found n = 246732, Predrag Minovic
• 2004-08-15: Reserved by Predrag Minovic from n = 210000
• 2004-07-26: Checked n = 200000 - 210000, Steven Harvey, released
• 2004-04-11: Checked n = 1 - 200000, James P. Burt
• 2004-04-07: Checked to n = 141000, James P. Burt
• 2004-04-04: Reserved by James P. Burt for sieving only to n = 1000000
• 2003-03-21: Found n = 118510, Steven Harvey
• 2003-03-21: Found n = 112390, Steven Harvey
• 1998-08-13: Found n = 25742, Wilfrid Keller
• 1998-08-09: Found n = 23562, Wilfrid Keller