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Difference between revisions of "Riesel prime 2 3981"
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Revision as of 06:03, 17 August 2021
Current data
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Notes
History
- 2016-08-02: Found n = 1353819, James P. Burt
- 2016-07-19: Found n = 1322239, James P. Burt
- 2015-06-03: Found n = 1294922, James P. Burt
- 2015-06-02: Found n = 1292566, James P. Burt
- 2014-10-16: Checked n = 400000 - 540000, Karsten Bonath, tested missing pairs
- 2014-08-04: Checked n = 200000 - 400000, Karsten Bonath
- 2012-05-08: Checked to n = 200000, Oscar Tutusaus Santandreu
- 2010: Checked n = 400000 - 540000, Free-DC Drive 1
- 2010-10-07: Found n = 481407, (Oddball), Twin Prime Search
- 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
- 1999-01-26: Found n = 13153, Andrew Walker