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Generalized Cullen primes of the form n•27n+1
Current data
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Notes
History
- 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
- 2023-04-23: Checked n = 2 - 100000, Mark Rodenkirch, double-check
- 2012-11-24: Found n = 437960, Thomas Ritschel
- 2012-02-01: Found n = 312498, Thomas Ritschel
- 2011-12-20: Found n = 259738, Thomas Ritschel
- 2010: Checked n = 3481 - 215413, Günter Löh
- 2000-08-12: Checked to n = 23454, Günter Löh
- 2000: Checked n = 1 - 3481, Wilfrid Keller
