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Riesel primes of the form 2039•2n-1
Current data
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History
- 2021-06-23: Checked to n = 1000000, Gary Barnes, double-check, results included
- 2013-11-11: Checked to n = 3000000, Thomas Ritschel, released
- 2013-10-21: Checked to n = 2500000, Thomas Ritschel
- 2013-09-02: Reserved by Thomas Ritschel
- 2013-08-30: Checked to n = 1025000, RPS Drive 11, released
- 2013-01-09: Checked n = 1000000 - 1010000, Thomas Ritschel, RPS Drive 11
- 2013-01-09: Reserved by RPS Drive 11, from n=1010000
- 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
- 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
- 2011-12-31: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
- 2011-10-31: Checked to n = 700000, RPS Drive 11, released
- 2011-09-03: Reserved by RPS Drive 11, for n ≥ 666666
- 2010-11-19: Checked to n = 600000, NPLB Drive 11, released
- 2010-03-26: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
- 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
- 2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
- 2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
- 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
- 2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000
- 2008-12-14: Checked to n = 1000000, James P. Burt
- 2008-05-30: Found n = 841312, James P. Burt
- 2006-12-26: Found n = 319920, Thomas Ritschel
