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Difference between revisions of "Cullen prime 18"
(Updated range) |
(add history, OEIS, twin, & remark) |
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Line 5: | Line 5: | ||
|CuReserved= | |CuReserved= | ||
|CuNlist= | |CuNlist= | ||
− | 1 | + | 1;T:T |
3 | 3 | ||
21 | 21 | ||
Line 21: | Line 21: | ||
353901 | 353901 | ||
612497;136064 | 612497;136064 | ||
− | |CuRemarks= | + | |CuRemarks=The {{OEIS|l|A007648}}<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|2023-05-20|1000000|Ryan Propper| | + | {{HistC|2023-05-20|1000000|Ryan Propper|855602}} |
− | {{HistF|2023-05- | + | {{HistF|2023-05-20|612497|Ryan Propper|855581}} |
− | {{HistR|2023-05-18|Ryan Propper| | + | {{HistF|2023-05-20|353901|Ryan Propper|855581}} |
− | {{HistC|2023-04-25|100000|Mark Rodenkirch}}, double- | + | {{HistF|2023-05-20|342091|Ryan Propper|855581}} |
− | {{HistC|?| | + | {{HistF|2023-05-20|219525|Ryan Propper|855581}} |
+ | {{HistR|2023-05-18|Ryan Propper|855517}} to {{Rn|1000000|1000000}} | ||
+ | {{HistC|2023-04-25|2-100000|Mark Rodenkirch}}, double-check | ||
+ | {{HistC|2014|4441-218779|Günter Löh}} | ||
+ | {{HistF|?|155928|Günter Löh}} | ||
+ | {{HistF|?|150940|Günter Löh}} | ||
{{HistF|2002-05-20|60239|Günter Löh}} | {{HistF|2002-05-20|60239|Günter Löh}} | ||
{{HistF|2000-11-02|49963|Günter Löh}} | {{HistF|2000-11-02|49963|Günter Löh}} | ||
{{HistF|2000-05-15|16839|Günter Löh}} | {{HistF|2000-05-15|16839|Günter Löh}} | ||
+ | {{HistC|2000|3054-4441|Wilfrid Keller}} | ||
{{HistF|2000|3401|Wilfrid Keller}} | {{HistF|2000|3401|Wilfrid Keller}} | ||
− | {{HistF| | + | {{HistC|1989|1-3054|Harvey Dubner}} |
− | {{HistF| | + | {{HistF|1989|1683|Harvey Dubner}} |
+ | {{HistF|1989|842|Harvey Dubner}} |
Revision as of 05:09, 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: Found n = 3401, Wilfrid Keller
- 1989: Checked n = 1 - 3054, Harvey Dubner
- 1989: Found n = 1683, Harvey Dubner
- 1989: Found n = 842, Harvey Dubner