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Difference between revisions of "Cullen prime 18"
(additional history per Beginnings webpage & Wilfrid Keller Email) |
(clarification & standard) |
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==History== | ==History== | ||
{{HistC|2024-10-25|1-100000|Gary Barnes|1058845}}, double-check, released | {{HistC|2024-10-25|1-100000|Gary Barnes|1058845}}, double-check, released | ||
− | {{HistC|2023-05-20|1000000|Ryan Propper|855602}} | + | {{HistC|2023-05-20|203597-1000000|Ryan Propper|855602}} |
{{HistF|2023-05-20|612497|Ryan Propper|855581}} | {{HistF|2023-05-20|612497|Ryan Propper|855581}} | ||
− | {{HistF|2023-05-20|353901 | + | {{HistF|2023-05-20|219525, 342091, 353901|Ryan Propper|855581}} |
− | |||
− | |||
{{HistR|2023-05-18|Ryan Propper|855517}} to {{Rn|1000000|1000000}} | {{HistR|2023-05-18|Ryan Propper|855517}} to {{Rn|1000000|1000000}} | ||
{{HistC|2023-04-25|2-100000|Mark Rodenkirch}}, double-check | {{HistC|2023-04-25|2-100000|Mark Rodenkirch}}, double-check |
Latest revision as of 05:51, 10 April 2025
Current data
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Remarks : |
The sequence A007648 in OEIS |
Notes
History
- 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
- 2023-05-20: Checked n = 203597 - 1000000, Ryan Propper
- 2023-05-20: Found n = 612497, Ryan Propper
- 2023-05-20: Found n = 219525, 342091, 353901, 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 = 51548 - 218779, Günter Löh
- ?: Found n = 155928, Günter Löh
- ?: Found n = 150940, Günter Löh
- 2002-05-20: Found n = 60239, Günter Löh
- 2000-12: Checked n = 4441 - 51548, Günter Löh
- 2000-11-02: Found n = 49963, Günter Löh
- 2000-05-15: Found n = 16839, Günter Löh
- 2000-02: Checked n = 1 - 4441, Wilfrid Keller, double-check n = 1 - 3054
- 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