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Riesel primes of the form 2683•2n-1
Current data
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History
- 2012-06-22: Found n = 2360743, David Metcalfe
- 2012-06-20: Checked to n = 2360000, David Metcalfe, last range from here
- 2012-05-31: Checked to n = 2300000, David Metcalfe
- 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
- 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
- 2009-08-14: 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
- 2007-10-24: Found n = 2239, Jens Kruse Andersen
