Riesel primes of the form 37•2n-1

Reserved! This sequence is currently part of Multi Reservation 4: RPS Megabit Drive 1.

Current data

k , b : 37 , 2 Type : Low Count : 10 Nash : 630 Max n : 3,100,000 Date : 2020-11-12 Reserved : Riesel Prime SearchRiesel Prime Search/Reserved

1, 2553, 4893, 7897, 14353, 32125, 51477, 78973, 341365, 6660841

Remarks :

For additional n ≡ 1 mod 10 history, see Conjectures 'R Us search at Riesel 74•1024n-1.

History

• 2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
• 2018-04-11: Checked to n = 3000000, RPS Megabit Drive 1
• 2014-08-12: Reserved by RPS Megabit Drive 1 for n > 2500000 only n !≡ 1 mod 10
• 2014-07-30: Checked to n = 6700000, Serge Batalov, Conjectures 'R Us only n ≡ 1 mod 10, released
• 2014-07-30: Found n = 6660841, Serge Batalov, Conjectures 'R Us
• 2014-04-08: Checked to n = 2500000, Predrag Minovic, released
• 2013-12-08: Checked to n = 2500000, Predrag Minovic
• 2013-07-09: Checked to n = 2350000, Predrag Minovic
• 2012-07-02: Checked to n = 2290000, Predrag Minovic
• 2012-05-04: Checked to n = 2150000, Predrag Minovic
• 2011-06-04: Checked to n = 2000000, Predrag Minovic
• 2011-04-12: Checked to n = 1950000, Predrag Minovic
• 2011-03-05: Checked to n = 1870000, Predrag Minovic
• 2011-01-13: Checked to n = 1760000, Predrag Minovic
• 2010-10-31: Checked to n = 1710000, Predrag Minovic
• 2010-09-05: Checked to n = 1510000, Predrag Minovic
• 2010-07-18: Reserved by Predrag Minovic for n=1450000-1500000
• 2008-12-15: Checked to n = 1011000, Alexander Jones
• 2008-11-21: Reserved by Alexander Jones
• 2008-07-07: Checked to n = 1000000, Gary Barnes, released
• 2008-05-25: Checked to n = 965000, Gary Barnes
• 2008-02-01: Checked to n = 705000, Gary Barnes
• 2008-01-10: Checked to n = 600000, Gary Barnes
• 2007-04-07: Checked to n = 550000, Jeffrey Sax
• 2004-09-12: Found n = 341365, Jeffrey Sax
• 2004-07-26: Checked to n = 210000, Steven Harvey, released
• 2004-04-15: Checked to n = 200000, Thomas Masser
• 1999-12-29: Found n = 51477, David Broadhurst
• 1998-07-28: Found n = 32125, Richard Jones
• 1994: Found n = 7897, Harvey Dubner