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Riesel primes of the form 3981•2n-1
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
- 2012-05-08: Checked to n = 200000, Oscar Tutusaus Santandreu
- 2010-10-07: Found n = 481407, (Oddball), Twin Prime Search
- 1999-01-26: Found n = 13153, Andrew Walker