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Difference between revisions of "Cullen prime 18"
(add history, OEIS, twin, & remark) |
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{{HistF|2000-05-15|16839|Günter Löh}} | {{HistF|2000-05-15|16839|Günter Löh}} | ||
{{HistC|2000|3054-4441|Wilfrid Keller}} | {{HistC|2000|3054-4441|Wilfrid Keller}} | ||
| − | {{HistF|2000|3401|Wilfrid Keller}} | + | {{HistF|2000-02|3401|Wilfrid Keller}} |
{{HistC|1989|1-3054|Harvey Dubner}} | {{HistC|1989|1-3054|Harvey Dubner}} | ||
{{HistF|1989|1683|Harvey Dubner}} | {{HistF|1989|1683|Harvey Dubner}} | ||
{{HistF|1989|842|Harvey Dubner}} | {{HistF|1989|842|Harvey Dubner}} | ||
Revision as of 05:21, 25 October 2024
Current data
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Remarks : |
The sequence A007648 in OEIS See additional history at Generalized Cullen primes & Discoverers of Generalized Cullen primes. |
Notes
History
- 2023-05-20: Checked to n = 1000000, Ryan Propper
- 2023-05-20: Found n = 612497, Ryan Propper
- 2023-05-20: Found n = 353901, Ryan Propper
- 2023-05-20: Found n = 342091, Ryan Propper
- 2023-05-20: Found n = 219525, Ryan Propper
- 2023-05-18: Reserved by Ryan Propper to n = 1000000
- 2023-04-25: Checked n = 2 - 100000, Mark Rodenkirch, double-check
- 2014: Checked n = 4441 - 218779, Günter Löh
- ?: Found n = 155928, Günter Löh
- ?: Found n = 150940, Günter Löh
- 2002-05-20: Found n = 60239, Günter Löh
- 2000-11-02: Found n = 49963, Günter Löh
- 2000-05-15: Found n = 16839, Günter Löh
- 2000: Checked n = 3054 - 4441, Wilfrid Keller
- 2000-02: Found n = 3401, Wilfrid Keller
- 1989: Checked n = 1 - 3054, Harvey Dubner
- 1989: Found n = 1683, Harvey Dubner
- 1989: Found n = 842, Harvey Dubner
