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Difference between revisions of "Cullen prime 7"

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(bump max n)
(add history & remark)
Line 9: Line 9:
 
9898;19216;C:{{NPr|202|7|9900}}
 
9898;19216;C:{{NPr|202|7|9900}}
 
474280
 
474280
|CuRemarks=The {{OEIS|l|A242177}}
+
|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|2000000|Ryan Propper}}
+
{{HistC|2023-07-14|500000-2000000|Ryan Propper|858785}}, released
{{HistC|2023-05-28|500000|Mark Rodenkirch|631405}}
+
{{HistR|2023-07-04|Ryan Propper|858168}} for {{Rn|500000|2000000}}
{{HistF|2023-05-28|474280|Mark Rodenkirch|631405}}
+
{{HistC|2023-05-28|100000-500000|Mark Rodenkirch|856012}}, double-check {{Rn|100000|255681}}, released
{{HistR|2023-04-28|Mark Rodenkirch|629610}} to {{Vn}}=500000
+
{{HistF|2023-05-28|474280|Mark Rodenkirch|856012}}
{{HistC|2023-04-23|2-100000|Mark Rodenkirch}}, double-checked
+
{{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}}
{{HistF|1990-01-01|1980|Harvey Dubner}}
+
{{HistC|1989|1-4415|Harvey Dubner}}
 +
{{HistF|1989|1980|Harvey Dubner}}

Revision as of 07:58, 24 October 2024

Current data

ASCII format : n*7^n+1
Base : 7
Count : 4
Max n : 2,000,000
Date : 2023-07-14
34, 1980, 9898[1], 474280
Remarks :
The sequence A242177 in OEIS
See additional history at Generalized Cullen primes & Discoverers of Generalized Cullen primes.

Notes

History