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Difference between revisions of "Cullen prime 3"
(check to n=5M, add primes & history) |
(add history & remark) |
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2220172;136408;C:{{NPr|2220172|3|2220172}} | 2220172;136408;C:{{NPr|2220172|3|2220172}} | ||
9145334;136811;C:{{NPr|9145334|3|9145334}} | 9145334;136811;C:{{NPr|9145334|3|9145334}} | ||
| − | |CuRemarks=The {{OEIS|l|A006552}}<br>See | + | |CuRemarks=The {{OEIS|l|A006552}}<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== | ||
| Line 35: | Line 35: | ||
{{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| | + | {{HistC|2002|48949-166817|Günter Löh}} |
| − | {{HistF|2000-01-26|7268|Chun Wa Lau}} | + | {{HistC|2000|7781-48949|Wilfrid Keller}} |
| − | {{HistF|1998-11-12|19290|Wilfrid Keller}} | + | {{HistF|2000-01-26|7268|Chun Wa Lau}}, missing prime found |
| + | {{HistF|1998-11-12|7781-19290|Wilfrid Keller}} | ||
| + | {{HistC|1989|1-7781|Harvey Dubner}} | ||
{{HistF|1989|4874|Harvey Dubner}} | {{HistF|1989|4874|Harvey Dubner}} | ||
{{HistF|1989|2848|Harvey Dubner}} | {{HistF|1989|2848|Harvey Dubner}} | ||
Revision as of 03:06, 12 October 2024
Current data
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Remarks : |
The sequence A006552 in OEIS See additional history at Generalized Cullen primes & Discoverers of 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
- 2002: Checked n = 48949 - 166817, Günter Löh
- 2000: Checked n = 7781 - 48949, Wilfrid Keller
- 2000-01-26: Found n = 7268, Chun Wa Lau, missing prime found
- 1998-11-12: Found n = 7781-19290, Wilfrid Keller
- 1989: Checked n = 1 - 7781, Harvey Dubner
- 1989: Found n = 4874, Harvey Dubner
- 1989: Found n = 2848, Harvey Dubner
