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Riesel primes of the form 2145•2n-1
| Reserved! This sequence is currently reserved by: Michael Curtis |
Current data
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Notes
- Jump up ↑ Sophie Germain n=3
- Jump up ↑ Sophie Germain n=4
- Jump up ↑ Sophie Germain n=5
- Jump up ↑ Sophie Germain n=15
- Jump up ↑ Sophie Germain n=16
- Jump up ↑ Sophie Germain n=503
History
- 2025-02-28: Checked n = 1560000 - 2100000, Michael Curtis
- 2025-02-28: Found n = 1669259, Michael Curtis
- 2024-07-03: Found n = 1807271, Michael Curtis
- 2024-06-24: none, Michael Curtis
- 2020-03-13: Checked n = 1360000 - 1560000, Michael Curtis
- 2017-08-07: Found n = 1497137, Kristine Wozny
- 2017-06-20: none, Michael Curtis
- 2015-05-18: Checked n = 600000 - 700000, Karsten Bonath
- 2015-04-05: Checked n = 600000 - 1360000, Michael Curtis, Steven Tjung, Kristine Wozny
- 2015-02-15: Found n = 1298957, Steven Tjung
- 2015-02-09: Found n = 1285230, Steven Tjung
- 2013-06-21: Found n = 973949, Steven Tjung
- 2013-05-05: Found n = 1226291, Michael Curtis
- 2012-12-07: Found n = 959905, Steven Tjung
- 2012-02-18: Checked n = 350000 - 425000, NPLB Drive 12C, released
- 2012-01-09: Found n = 905006, Michael Curtis
- 2012-01-03: Checked n = 250000 - 350000, NPLB Drive 12B, released
- 2011-12-31: Reserved by NPLB Drive 12C, for n = 350000 - 425000
- 2011-12-15: Found n = 936349, Steven Tjung
- 2011-11-21: Found n = 861356, Michael Curtis
- 2011-08-25: Found n = 823312, Steven Tjung
- 2011-08-25: Found n = 806211, Steven Tjung
- 2011-08-07: Found n = 1090281, Michael Curtis
- 2010-12-24: Found n = 625146, Kristine Wozny
- 2010-11-19: Checked n = 425000 - 600000, NPLB Drive 11, released
- 2010-11-15: Found n = 851159, Michael Curtis
- 2010-11-10: Reserved by Steven Tjung from n = 600000
- 2010-03-26: Reserved by NPLB Drive 12B, for n = 250000 - 350000
- 2010-01-05: Checked n = 50000 - 250000, NPLB Drive 12A, released
- 2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
- 2009-08-13: Reserved by NPLB Drive 12A, for n = 50000 - 250000
- 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
- 2009-06-28: 430852 confirmed, Gary Barnes, NPLB Drive 11
- 2009-06-23: 425089 confirmed, Gary Barnes, NPLB Drive 11
- 2009-06-22: Reserved by NPLB Drive 11, for n = 425000 - 600000
- 2008-01-29: Checked n = 525000 - 600000, Gary Barnes, released
- 2007-12-27: Checked n = 435000 - 525000, Gary Barnes
- 2007-11-30: Checked n = 400000 - 435000, Gary Barnes
- 2007-11-28: Found n = 430852, Gary Barnes
- 2007-11-27: Found n = 425089, Gary Barnes
- 2007-11-26: Found n = 414996, Gary Barnes
- 2007-11-21: Checked n = 386900 - 400000, Gary Barnes
- 2007-10-28: Checked n = 354000 - 386900, Gary Barnes
- 2007-10-15: Found n = 372766, Gary Barnes
- 2007-09-30: Checked n = 280000 - 354000, Gary Barnes
- 2007-09-24: Found n = 345415, Gary Barnes
- 2007-08-20: Checked n = 242000 - 280000, Gary Barnes
- 2007-08-09: Checked n = 240000 - 242000, Gary Barnes
- 2007-08-07: Checked n = 10000 - 166000, Michael Curtis
- 2007-07-27: Checked n = 225000 - 240000, Gary Barnes
- 2007-07-24: Checked n = 200000 - 225000, Gary Barnes
- 2007-07-15: Checked n = 180000 - 200000, Gary Barnes
- 2007-07-14: Checked n = 120000 - 180000, Gary Barnes, double-check n = 120000 - 160000
- 2007-07-09: Checked n = 1 - 120000, Gary Barnes, double-check n = 1 - 10000 & n = 50000 - 120000
- 2007-07-06: Checked n = 1 - 10000, Gary Barnes
- 2007-07-04: Checked n = 50000 - 160000, Michael Curtis
- 2007-07-04: Reserved by Gary Barnes
- 2004-07-08: Found n = 214994, Thomas Ritschel
- 2004-07-08: Found n = 214257, Thomas Ritschel
- 2004-07-08: Found n = 213621, Thomas Ritschel
- 2003-06-02: Found n = 140432, Thomas Ritschel
- 2003-06-02: Found n = 139373, Thomas Ritschel
- 2003-06-02: Found n = 138411, Thomas Ritschel
- 2003-05-31: Found n = 115899, Thomas Ritschel
- 1998-10-13: Found n = 24879, Ray Ballinger
