Riesel primes of the form 297•2n-1

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

Current data

k , b : 297 , 2 Type : 3 Count : 67 Nash : 2974 Max n : 2,800,000 Date : 2024-11-13 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 2, 4, 8, 9, 10, 14, 18, 24, 25, 30, 42, 48, 49, 56, 90, 97, 182, 336, 348, 434, 546, 769, 1148, 1294, 1394, 1654, 2265, 2966, 3608, 4201, 4878, 5449, 7944, 8889, 9114, 10508, 11224, 15706, 17730, 18564, 21122, 21806, 21882, 24462, 24602, 29384, 35306, 60114, 60282, 61370, 65456, 82782, 225274, 227030, 227870, 253070, 283484, 378102, 492450, 493726, 583464, 799620, 899234, 1655042, 1745377, 2778276

History

• 2024-11-05: Found n = 2778276, Florian Piesker, NPLB K300 Drive 1
• 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
• 2016-12-31: Checked to n = 2000000, Predrag Minovic, released
• 2015-03-01: Checked to n = 2000000, Predrag Minovic
• 2014-10-05: Checked to n = 1870000, Predrag Minovic
• 2014-03-04: Found n = 1745377, Predrag Minovic
• 2013-12-08: Found n = 1655042, Predrag Minovic
• 2013-07-09: Checked to n = 1610000, Predrag Minovic
• 2013-01-04: Checked to n = 1440000, Predrag Minovic
• 2012-09-15: Reserved by Predrag Minovic from n=1100000
• 2011-09-21: 492450 confirmed, Göran Schmidt, Twin Prime Search 480000
• 2010-05-09: Checked to n = 1100000, Lennart Vogel, released, results included
• 2010-05-02: Reserved by Lennart Vogel
• 2009-09-01: Checked to n = 1000000, Karsten Bonath released
• 2009-06-15: Checked to n = 900000, Karsten Bonath
• 2009-06-15: Found n = 899234, Karsten Bonath
• 2009-04-16: Checked to n = 849000, Karsten Bonath
• 2009-01-05: Checked to n = 813000, Karsten Bonath
• 2008-12-22: Checked to n = 800000, Karsten Bonath
• 2008-12-22: Found n = 799620, Karsten Bonath
• 2008-11-18: Checked to n = 761000, Karsten Bonath
• 2008-09-01: Checked to n = 657000, Karsten Bonath
• 2008-06-03: Checked to n = 647000, Karsten Bonath
• 2007-12-26: Checked to n = 619000, Karsten Bonath
• 2007-09-10: Checked to n = 615000, Karsten Bonath
• 2007-07-11: Found n = 583464, Karsten Bonath
• 2007-07-09: Checked to n = 581000, Karsten Bonath
• 2007-03-23: Found n = 493726, Karsten Bonath
• 2007-03-23: Found n = 492450, Karsten Bonath
• 2007-03-22: Checked to n = 492000, Karsten Bonath
• 2007-02-05: Checked to n = 428000, Karsten Bonath
• 2007-01-10: Found n = 378102, Karsten Bonath
• 2006-10-30: Checked to n = 287000, Karsten Bonath
• 2006-10-30: Found n = 283484, Karsten Bonath
• 2006-07-18: Reserved by Karsten Bonath for n = 260000 - 500000
• 2005-04-18: Found n = 253070, James S. Griffin
• 2005-01-24: Found n = 227870, Steven Harvey
• 2005-02-14: Found n = 227030, Steven Harvey
• 2005-01-24: Found n = 225274, Steven Harvey
• 1999-06-21: Found n = 82782, Janusz Szmidt
• 1999-06-21: Found n = 65456, Janusz Szmidt
• 1999-06-21: Found n = 61370, Janusz Szmidt
• 1999-05-21: Found n = 60282, Janusz Szmidt
• 1999-06-21: Found n = 60114, Janusz Szmidt
• 1999-04-19: Found n = 35306, Janusz Szmidt
• 1999-04-19: Found n = 29384, Janusz Szmidt