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Riesel primes of the form 2175•2n-1
Reserved! This sequence is currently reserved by: Michael Curtis |
Current data
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Notes
- Jump up ↑ Sophie Germain n=1
- Jump up ↑ Twin n=6
- Jump up ↑ Sophie Germain n=8
- Jump up ↑ Sophie Germain n=13
- Jump up ↑ Sophie Germain n=42
- Jump up ↑ Twin n=43
- Jump up ↑ Twin n=111
- Jump up ↑ Sophie Germain n=232
History
- 2025-02-28: Checked n = 2000000 - 2100000, Michael Curtis
- 2024-06-24: Checked n = 1560000 - 2000000, Michael Curtis
- 2020-03-13: Checked n = 1330000 - 1560000, Michael Curtis
- 2019-03-31: Found n = 1430261, Michael Curtis
- 2019-03-15: Found n = 1512256, Michael Curtis
- 2019-02-23: Found n = 1484389, Michael Curtis
- 2017-06-20: Checked n = 1270000 - 1330000, Michael Curtis
- 2015-05-18: Checked n = 600000 - 700000, Karsten Bonath
- 2015-04-05: Checked n = 600000 - 1270000, Michael Curtis, Steven Tjung, Kristine Wozny
- 2015-02-26: Found n = 1466621, Michael Curtis
- 2014-11-26: Found n = 1202773, Michael Curtis
- 2013-04-29: Found n = 1266475, Michael Curtis
- 2013-03-27: Found n = 1176013, Michael Curtis
- 2012-02-18: Checked n = 350000 - 425000, NPLB Drive 12C, released
- 2012-01-03: Checked n = 250000 - 350000, NPLB Drive 12B, released
- 2011-12-31: Reserved by NPLB Drive 12C, for n = 350000 - 425000
- 2011-12-28: Found n = 1077285, Michael Curtis
- 2011-12-28: Found n = 1076289, Michael Curtis
- 2011-02-28: Found n = 929651, Michael Curtis
- 2010-11-11: Checked n = 400000 - 600000, Steven Tjung
- 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
- 2009-09-25: Found n = 557361, Steven Tjung
- 2009-08-13: Reserved by NPLB Drive 12A, for n = 50000 - 250000
- 2009-07-23: Found n = 545721, Steven Tjung
- 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
- 2009-03-16: Found n = 420511, Steven Tjung
- 2008-09-28: Checked n = 360000 - 400000, Steven Tjung
- 2008-02-02: Checked n = 280000 - 360000, Steven Tjung
- 2008-01-11: Checked n = 280000 - 300000, Michael Curtis
- 2008-01-03: Checked n = 240000 - 280000, Michael Curtis
- 2007-12-18: Checked n = 166000 - 240000, Michael Curtis
- 2007-08-07: Checked n = 10000 - 166000, Michael Curtis
- 2007-07-06: Checked n = 1 - 10000, Gary Barnes
- 2007-07-04: Checked to n = 160000, Michael Curtis
- 2007-07-04: Reserved by Michael Curtis