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Difference between revisions of "Cullen prime 7"
(update history with info from Beginnings webpage & Email from Wilfrid Keller) |
(additional history per Beginnings webpage) |
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| Line 19: | Line 19: | ||
{{HistR|2023-04-28|Mark Rodenkirch|851725}} to {{Rn|500000|500000}} | {{HistR|2023-04-28|Mark Rodenkirch|851725}} to {{Rn|500000|500000}} | ||
{{HistC|2023-04-23|2-100000|Mark Rodenkirch}}, double-check | {{HistC|2023-04-23|2-100000|Mark Rodenkirch}}, double-check | ||
| − | {{HistC|2005|27927- | + | {{HistC|2005|130755-255681|Günter Löh}} |
| + | {{HistC|2000-12|27927-130755|Günter Löh}} | ||
{{HistC|1999-12|1-27927|Wilfrid Keller}}, double-check {{Rn|1|4415}} | {{HistC|1999-12|1-27927|Wilfrid Keller}}, double-check {{Rn|1|4415}} | ||
{{HistF|1998-11-13|9898|Wilfrid Keller}} | {{HistF|1998-11-13|9898|Wilfrid Keller}} | ||
{{HistC|1989|1-4415|Harvey Dubner}} | {{HistC|1989|1-4415|Harvey Dubner}} | ||
{{HistF|1989|1980|Harvey Dubner}} | {{HistF|1989|1980|Harvey Dubner}} | ||
Latest revision as of 02:04, 10 April 2025
Current data
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|
Remarks : |
The sequence A242177 in OEIS |
Notes
History
- 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
- 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 - 255681, released
- 2023-05-28: Found n = 474280, Mark Rodenkirch
- 2023-04-28: Reserved by Mark Rodenkirch to n = 500000
- 2023-04-23: Checked n = 2 - 100000, Mark Rodenkirch, double-check
- 2005: Checked n = 130755 - 255681, Günter Löh
- 2000-12: Checked n = 27927 - 130755, Günter Löh
- 1999-12: Checked n = 1 - 27927, Wilfrid Keller, double-check n = 1 - 4415
- 1998-11-13: Found n = 9898, Wilfrid Keller
- 1989: Checked n = 1 - 4415, Harvey Dubner
- 1989: Found n = 1980, Harvey Dubner
