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Generalized Cullen primes of the form n•5n+1
Current data
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Notes
History
- 2024-08-15: Found n = 5778486, Ryan Propper
- 2023-07-14: Checked n = 500000 - 2000000, Ryan Propper, released
- 2023-07-04: Reserved by Ryan Propper for n = 500000 - 2000000
- 2023-05-28: Checked n = 100000 - 500000, Mark Rodenkirch, double-check n = 100000 - 380283, released
- 2023-04-28: Reserved by Mark Rodenkirch to n = 500000
- 2023-04-23: Checked n = 2 - 100000, Mark Rodenkirch, double-check
- 2012: Checked n = 29357 - 380283, Günter Löh
- 2000: Checked n = 6189 - 29357, Wilfrid Keller
- 1998-11-15: Found n = 18390, Wilfrid Keller
- 1989: Checked n = 1 - 6189, Harvey Dubner
- 1989: Found n = 1242, Harvey Dubner
