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Difference between revisions of "Cullen prime 7"
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{{Cullen prime | {{Cullen prime | ||
|CuBase=7 | |CuBase=7 | ||
| − | |CuMaxn= | + | |CuMaxn=2000000 |
| − | |CuDate= | + | |CuDate=2023-07-14 |
|CuReserved= | |CuReserved= | ||
|CuNlist= | |CuNlist= | ||
34 | 34 | ||
1980;38360 | 1980;38360 | ||
| − | 9898;19216;C:{{ | + | 9898;19216;C:{{NPr|202|7|9900}} |
| − | |CuRemarks=The {{OEIS|l|A242177}} | + | 474280 |
| + | |CuRemarks=The {{OEIS|l|A242177}}<br>See additional history at [http://www.loeh.name/guenter/gc/ Generalized Cullen primes] & [http://prothsearch.com/GC-Discoverers.html Discoverers of Generalized Cullen primes]. | ||
}} | }} | ||
==History== | ==History== | ||
| + | {{HistC|2023-07-14|500000-2000000|Ryan Propper|858785}}, released | ||
| + | {{HistR|2023-07-04|Ryan Propper|858168}} for {{Rn|500000|2000000}} | ||
| + | {{HistC|2023-05-28|100000-500000|Mark Rodenkirch|856012}}, double-check {{Rn|100000|255681}}, released | ||
| + | {{HistF|2023-05-28|474280|Mark Rodenkirch|856012}} | ||
| + | {{HistR|2023-04-28|Mark Rodenkirch|851725}} to {{Rn|500000|500000}} | ||
| + | {{HistC|2023-04-23|2-100000|Mark Rodenkirch}}, double-check | ||
| + | {{HistC|2005|27927-255681|Günter Löh}} | ||
| + | {{HistC|2000|4415-27927|Wilfrid Keller}} | ||
{{HistF|1998-11-13|9898|Wilfrid Keller}} | {{HistF|1998-11-13|9898|Wilfrid Keller}} | ||
| + | {{HistC|1989|1-4415|Harvey Dubner}} | ||
{{HistF|1989|1980|Harvey Dubner}} | {{HistF|1989|1980|Harvey Dubner}} | ||
Latest revision as of 07:58, 24 October 2024
Current data
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Remarks : |
The sequence A242177 in OEIS See additional history at Generalized Cullen primes & Discoverers of Generalized Cullen primes. |
Notes
History
- 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 = 27927 - 255681, Günter Löh
- 2000: Checked n = 4415 - 27927, Wilfrid Keller
- 1998-11-13: Found n = 9898, Wilfrid Keller
- 1989: Checked n = 1 - 4415, Harvey Dubner
- 1989: Found n = 1980, Harvey Dubner
