Riesel primes of the form 337•2n-1

Reserved! This sequence is currently part of Multi Reservation 26: NPLB Drive 19.

Current data

k , b : 337 , 2 Type : Low Count : 7 Nash : 286 Max n : 8,460,000 (3,000,000) Date : 2023-03-07 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

1, 11677, 12101, 44149, 72997, 147929, 171509

History

• 2023-03-07: Reserved by NPLB Drive 19, for 3000000<n<4000000
• 2022-06-03: Checked to n = 3000000, NPLB Drive 15, released
• 2021-01-26: Checked to n = 8460000, Borys Jaworski
• 2020-04-04: Checked to n = 7760000, Borys Jaworski
• 2020-01-03: Checked to n = 7550000, Borys Jaworski
• 2019-10-05: Checked to n = 7410000, Borys Jaworski
• 2019-09-05: Checked to n = 7370000, Borys Jaworski
• 2019-03-01: Checked to n = 7150000, Borys Jaworski
• 2019-01-01: Checked to n = 7080000, Borys Jaworski
• 2018-11-30: Checked to n = 7040000, Borys Jaworski
• 2018-11-01: Checked to n = 7020000, Borys Jaworski
• 2018-09-02: Checked to n = 6960000, Borys Jaworski
• 2018-05-03: Checked to n = 6810000, Borys Jaworski
• 2018-02-02: Checked to n = 6700000, Borys Jaworski
• 2018-01-01: Checked to n = 6660000, Borys Jaworski
• 2017-12-02: Checked to n = 6630000, Borys Jaworski
• 2017-10-27: Checked to n = 6590000, Borys Jaworski
• 2017-07-02: Checked to n = 6480000, Borys Jaworski
• 2017-05-02: Checked to n = 6400000, Borys Jaworski
• 2017-04-01: Checked to n = 6360000, Borys Jaworski
• 2017-01-31: Checked to n = 6280000, Borys Jaworski
• 2017-01-01: Checked to n = 6240000, Borys Jaworski
• 2016-11-30: Checked to n = 6190000, Borys Jaworski
• 2016-11-01: Checked to n = 6150000, Borys Jaworski
• 2016-10-01: Checked to n = 6100000, Borys Jaworski
• 2016-08-31: Checked to n = 6050000, Borys Jaworski
• 2016-07-01: Checked to n = 5940000, Borys Jaworski
• 2016-06-01: Checked to n = 5890000, Borys Jaworski
• 2016-04-30: Checked to n = 5830000, Borys Jaworski
• 2016-03-31: Checked to n = 5780000, Borys Jaworski
• 2016-02-29: Checked to n = 5720000, Borys Jaworski
• 2016-02-01: Checked to n = 5660000, Borys Jaworski
• 2016-01-03: Checked to n = 5610000, Borys Jaworski
• 2015-11-30: Checked to n = 5570000, Borys Jaworski
• 2015-10-31: Checked to n = 5520000, Borys Jaworski
• 2015-08-31: Checked to n = 5400000, Borys Jaworski
• 2015-06-01: Checked to n = 5200000, Borys Jaworski
• 2015-05-01: Checked to n = 5140000, Borys Jaworski
• 2015-03-31: Checked to n = 5080000, Borys Jaworski
• 2015-02-28: Checked to n = 5010000, Borys Jaworski
• 2015-02-01: Checked to n = 4970000, Borys Jaworski
• 2015-01-03: Checked to n = 4920000, Borys Jaworski
• 2014-12-29: Reserved by NPLB Drive 15, for n=2000000-3000000
• 2014-11-01: Checked to n = 4800000, Borys Jaworski
• 2014-09-30: Checked to n = 4730000, Borys Jaworski
• 2014-07-30: Checked to n = 4620000, Borys Jaworski, doublechecked
• 2014-06-30: Checked to n = 4620000, Borys Jaworski
• 2014-05-01: Checked to n = 4560000, Borys Jaworski
• 2014-03-31: Checked to n = 4490000, Borys Jaworski
• 2014-03-01: Checked to n = 4420000, Borys Jaworski
• 2013-10-31: Checked to n = 4380000, Borys Jaworski
• 2013-09-30: Checked to n = 4380000, Borys Jaworski
• 2013-07-31: Checked to n = 4360000, Borys Jaworski
• 2013-07-01: Checked to n = 4340000, Borys Jaworski
• 2013-06-02: Checked to n = 4310000, Borys Jaworski
• 2013-04-01: Checked to n = 4270000, Borys Jaworski
• 2013-03-02: Checked to n = 4230000, Borys Jaworski
• 2013-01-31: Checked to n = 4200000, Borys Jaworski
• 2012-12-01: Checked to n = 4120000, Borys Jaworski
• 2012-11-01: Checked to n = 4080000, Borys Jaworski
• 2012-09-30: Checked to n = 4040000, Borys Jaworski
• 2012-08-30: Checked to n = 3990000, Borys Jaworski
• 2012-06-30: Checked to n = 3900000, Borys Jaworski
• 2012-06-01: Checked to n = 3840000, Borys Jaworski
• 2012-05-01: Checked to n = 3800000, Borys Jaworski
• 2012-03-31: Checked to n = 3750000, Borys Jaworski
• 2012-02-29: Checked to n = 3700000, Borys Jaworski
• 2012-01-31: Checked to n = 3640000, Borys Jaworski
• 2011-12-31: Checked to n = 3590000, Borys Jaworski
• 2011-11-30: Checked to n = 3540000, Borys Jaworski
• 2011-10-31: Checked to n = 3480000, Borys Jaworski
• 2011-09-30: Checked to n = 3430000, Borys Jaworski
• 2011-09-01: Checked to n = 3370000, Borys Jaworski
• 2011-06-30: Checked to n = 3280000, Borys Jaworski
• 2011-06-01: Checked to n = 3230000, Borys Jaworski
• 2011-03-31: Checked to n = 3120000, Borys Jaworski
• 2011-02-38: Checked to n = 3060000, Borys Jaworski
• 2011-01-31: Checked to n = 3010000, Borys Jaworski
• 2011-01-03: Checked to n = 2940000, Borys Jaworski
• 2010-11-30: Checked to n = 2850000, Borys Jaworski
• 2010-10-31: Checked to n = 2790000, Borys Jaworski
• 2010-09-30: Checked to n = 2730000, Borys Jaworski
• 2010-09-01: Checked to n = 2670000, Borys Jaworski
• 2010-08-01: Checked to n = 2620000, Borys Jaworski
• 2010-06-30: Checked to n = 2560000, Borys Jaworski
• 2010-05-31: Checked to n = 2500000, Borys Jaworski
• 2010-04-30: Checked to n = 2450000, Borys Jaworski
• 2010-03-31: Checked to n = 2390000, Borys Jaworski
• 2010-02-28: Checked to n = 2310000, Borys Jaworski
• 2010-01-31: Checked to n = 2240000, Borys Jaworski
• 2009-12-31: Checked to n = 2150000, Borys Jaworski
• 2009-12-01: Checked to n = 2090000, Borys Jaworski
• 2009-10-31: Checked to n = 2020000, Borys Jaworski
• 2009-09-30: Checked to n = 1940000, Borys Jaworski
• 2009-08-31: Checked to n = 1840000, Borys Jaworski
• 2009-07-31: Checked to n = 1700000, Borys Jaworski
• 2009-07-07: Checked to n = 1600000, Borys Jaworski
• 2009-06-30: Checked to n = 1590000, Borys Jaworski
• 2009-05-31: Checked to n = 1570000, Borys Jaworski
• 2009-04-30: Checked to n = 1540000, Borys Jaworski
• 2009-03-18: Checked to n = 1400000, Borys Jaworski
• 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
• 2008-09-15: Checked to n = 1000000, Borys Jaworski
• 2008-08-12: Checked to n = 900000, Borys Jaworski
• 2008-07-10: Checked to n = 800000, Borys Jaworski
• 2008-06-09: Checked to n = 700000, Borys Jaworski
• 2008-05-09: Reserved by Borys Jaworski, for 600000<n<1000000
• 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
• 2003-05-23: Found n = 171509, Guido Smetrijns
• 2003-05-20: Found n = 147929, Guido Smetrijns
• 1999-12-08: Found n = 72997, Dale Andrews
• 1999-12-06: Found n = 44149, Dale Andrews