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Difference between revisions of "Cullen prime 3"
(correction) |
(check to n=5M, add primes & history) |
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| Line 1: | Line 1: | ||
{{Cullen prime | {{Cullen prime | ||
|CuBase=3 | |CuBase=3 | ||
| − | |CuMaxn= | + | |CuMaxn=5000000 |
| − | |CuDate=2023- | + | |CuDate=2023-12-25 |
| − | |CuReserved= | + | |CuReserved= |
|CuNlist= | |CuNlist= | ||
| − | 2;C:{{NPr|2|3|2}} | + | 2;T:T;C:{{NPr|2|3|2}} |
8;C:{{NPr|8|3|8}} | 8;C:{{NPr|8|3|8}} | ||
32;C:{{NPr|32|3|32}} | 32;C:{{NPr|32|3|32}} | ||
| Line 19: | Line 19: | ||
337590;77889;C:{{NPr|37510|3|337592}} | 337590;77889;C:{{NPr|37510|3|337592}} | ||
1183414;116944;C:{{NPr|1183414|3|1183414}} | 1183414;116944;C:{{NPr|1183414|3|1183414}} | ||
| − | |CuRemarks=The {{OEIS|l|A006552}} | + | 1308596;136290;C:{{NPr|1308596|3|1308596}} |
| + | 2220172;136408;C:{{NPr|2220172|3|2220172}} | ||
| + | 9145334;136811;C:{{NPr|9145334|3|9145334}} | ||
| + | |CuRemarks=The {{OEIS|l|A006552}}<br>See early history at [http://www.loeh.name/guenter/gc/ Generalized Cullen primes] | ||
}} | }} | ||
==History== | ==History== | ||
| − | {{HistR|2023-07-03|Mark Rodenkirch| | + | {{HistF|2023-12-25|9145334|Ryan Propper}} |
| − | {{HistC|2014|166800 - 1200000|Predrag Minovic}} | + | {{HistC|2023-12-10|1200000-3000000|Mark Rodenkirch|874052}}, released |
| + | {{HistC|2023-09-09|3000000-5000000|Ryan Propper|864697}} | ||
| + | {{HistR|2023-09-04|Ryan Propper|864381}} for {{Rn|3000000|5000000}} | ||
| + | {{HistF|2023-09-02|2220172|Mark Rodenkirch|864243}} | ||
| + | {{HistF|2023-07-23|1308596|Mark Rodenkirch|859262}} | ||
| + | {{HistR|2023-07-03|Mark Rodenkirch|858092}} to {{Rn|3000000|3000000}} | ||
| + | {{HistC|2014|166800-1200000|Predrag Minovic}} | ||
{{HistF|2014-01-20|1183414|Predrag Minovic}} | {{HistF|2014-01-20|1183414|Predrag Minovic}} | ||
{{HistF|2006-06-02|337590|Predrag Minovic}} | {{HistF|2006-06-02|337590|Predrag Minovic}} | ||
| + | {{HistC|?|166817|(?)}} | ||
{{HistF|2000-01-26|7268|Chun Wa Lau}} | {{HistF|2000-01-26|7268|Chun Wa Lau}} | ||
{{HistF|1998-11-12|19290|Wilfrid Keller}} | {{HistF|1998-11-12|19290|Wilfrid Keller}} | ||
{{HistF|1989|4874|Harvey Dubner}} | {{HistF|1989|4874|Harvey Dubner}} | ||
{{HistF|1989|2848|Harvey Dubner}} | {{HistF|1989|2848|Harvey Dubner}} | ||
Revision as of 11:34, 9 October 2024
Current data
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|
Remarks : |
The sequence A006552 in OEIS See early history at Generalized Cullen primes |
Notes
- ↑ Twin n=2, Proth 2•32+1
- ↑ Proth 8•38+1
- ↑ Proth 32•332+1
- ↑ Proth 2•357+1
- ↑ Proth 38•3115+1
- ↑ Proth 46•3416+1
- ↑ Proth 1400•31400+1
- ↑ Proth 1850•31850+1
- ↑ Proth 2848•32848+1
- ↑ Proth 4874•34874+1
- ↑ Proth 7268•37268+1
- ↑ Proth 6430•319291+1
- ↑ Proth 37510•3337592+1
- ↑ Proth 1183414•31183414+1
- ↑ Proth 1308596•31308596+1
- ↑ Proth 2220172•32220172+1
- ↑ Proth 9145334•39145334+1
History
- 2023-12-25: Found n = 9145334, Ryan Propper
- 2023-12-10: Checked n = 1200000 - 3000000, Mark Rodenkirch, released
- 2023-09-09: Checked n = 3000000 - 5000000, Ryan Propper
- 2023-09-04: Reserved by Ryan Propper for n = 3000000 - 5000000
- 2023-09-02: Found n = 2220172, Mark Rodenkirch
- 2023-07-23: Found n = 1308596, Mark Rodenkirch
- 2023-07-03: Reserved by Mark Rodenkirch to n = 3000000
- 2014: Checked n = 166800 - 1200000, Predrag Minovic
- 2014-01-20: Found n = 1183414, Predrag Minovic
- 2006-06-02: Found n = 337590, Predrag Minovic
- ?: Checked to n = 166817, (?)
- 2000-01-26: Found n = 7268, Chun Wa Lau
- 1998-11-12: Found n = 19290, Wilfrid Keller
- 1989: Found n = 4874, Harvey Dubner
- 1989: Found n = 2848, Harvey Dubner
