| Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3). |
Navigation
| Topics | Help • Register • News • History • How to • Sequences statistics • Template prototypes |
Difference between revisions of "Cullen prime 2"
m |
m |
||
| (5 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
{{Cullen prime | {{Cullen prime | ||
|CuBase=2 | |CuBase=2 | ||
| − | |CuMaxn= | + | |CuMaxn=21000000 |
| − | |CuDate= | + | |CuDate=2021-09-11 |
| − | |CuReserved=PrimeGrid | + | |CuReserved=PrimeGrid Cullen Prime Search |
|CuNlist= | |CuNlist= | ||
| − | 1 | + | 1;C:{{NPr|1}} |
| − | 141 | + | 141;C:{{NPr|141|141}} |
| − | 4713;40087 | + | 4713;40087;C:{{NPr|4713|4713}} |
| − | 5795;38112 | + | 5795;38112;C:{{NPr|5795|5795}} |
| − | 6611;37374 | + | 6611;37374;C:{{NPr|6611|6611}} |
| − | 18496;23436;C:{{ | + | 18496;23436;C:{{NPr|289|18502}}, [[Generalized Fermat number]] |
| − | 32292;17877;C:{{ | + | 32292;17877;C:{{NPr|8073|32294}} |
| − | 32469;17850 | + | 32469;17850;C:{{NPr|32469|32469}} |
| − | 59656;10752;C:{{ | + | 59656;10752;C:{{NPr|7457|59659}} |
| − | 90825;5931 | + | 90825;5931;C:{{NPr|90825|90825}} |
| − | 262419;271 | + | 262419;271;C:{{NPr|262419|262419}} |
| − | 361275;102 | + | 361275;102;C:{{NPr|361275|361275}} |
| − | 481899;77 | + | 481899;77;C:{{NPr|481899|481899}} |
| − | 1354828;75433;C:{{ | + | 1354828;75433;C:{{NPr|338707|1354830}} |
| − | 6328548;87775;C:{{ | + | 6328548;87775;C:{{NPr|1582137|6328550}} |
| − | 6679881;89536 | + | 6679881;89536;C:{{NPr|6679881|6679881}} |
|CuRemarks=The {{OEIS|l|A005849}}<br>[http://www.primegrid.com/stats_cullen_llr.php Current status] at [[PrimeGrid]] | |CuRemarks=The {{OEIS|l|A005849}}<br>[http://www.primegrid.com/stats_cullen_llr.php Current status] at [[PrimeGrid]] | ||
}} | }} | ||
==History== | ==History== | ||
| − | {{HistF|2009-08-04|6679881|Magnus Bergman,PrimeGrid}} | + | {{HistC|2021-09-11|21000000|PrimeGrid Cullen Prime Search}} |
| − | {{HistF|2009-04-20|6328548|Dennis R. Gesker,PrimeGrid}} | + | {{HistF|2009-08-04|6679881|Magnus Bergman,PrimeGrid Cullen Prime Search}} ([https://www.primegrid.com/download/cullen-6679881.pdf Official announcement]) |
| + | {{HistF|2009-04-20|6328548|Dennis R. Gesker,PrimeGrid Cullen Prime Search}} ([https://www.primegrid.com/download/cullen-6328548.pdf Official announcement]) | ||
{{HistF|2005-08-25|1354828|Mark Rodenkirch}} | {{HistF|2005-08-25|1354828|Mark Rodenkirch}} | ||
{{HistF|1998-09-30|481899|Masakatu Morii}} | {{HistF|1998-09-30|481899|Masakatu Morii}} | ||
| Line 38: | Line 39: | ||
{{HistF|1984|5795|Wilfrid Keller}} | {{HistF|1984|5795|Wilfrid Keller}} | ||
{{HistF|1984|4713|Wilfrid Keller}} | {{HistF|1984|4713|Wilfrid Keller}} | ||
| − | {{HistF|1957|141|Raphael Robinson}} | + | {{HistF|1957|141|Raphael M. Robinson}} |
{{HistF|1905|1|James Cullen}} | {{HistF|1905|1|James Cullen}} | ||
{{DISPLAYTITLE:Cullen primes {{Kbn|+|n|2|n}}|noerror}} | {{DISPLAYTITLE:Cullen primes {{Kbn|+|n|2|n}}|noerror}} | ||
Latest revision as of 14:54, 19 September 2021
| Reserved! This sequence is currently reserved by: PrimeGrid Cullen Prime Search |
Current data
|
|
Remarks : |
The sequence A005849 in OEIS Current status at PrimeGrid |
Notes
- ↑ Proth 21+1
- ↑ Proth 141•2141+1
- ↑ Proth 4713•24713+1
- ↑ Proth 5795•25795+1
- ↑ Proth 6611•26611+1
- ↑ Proth 289•218502+1, Generalized Fermat number
- ↑ Proth 8073•232294+1
- ↑ Proth 32469•232469+1
- ↑ Proth 7457•259659+1
- ↑ Proth 90825•290825+1
- ↑ Proth 262419•2262419+1
- ↑ Proth 361275•2361275+1
- ↑ Proth 481899•2481899+1
- ↑ Proth 338707•21354830+1
- ↑ Proth 1582137•26328550+1
- ↑ Proth 6679881•26679881+1
History
- 2021-09-11: Checked to n = 21000000, PrimeGrid Cullen Prime Search
- 2009-08-04: Found n = 6679881, Magnus Bergman, PrimeGrid Cullen Prime Search (Official announcement)
- 2009-04-20: Found n = 6328548, Dennis R. Gesker, PrimeGrid Cullen Prime Search (Official announcement)
- 2005-08-25: Found n = 1354828, Mark Rodenkirch
- 1998-09-30: Found n = 481899, Masakatu Morii
- 1998-07-31: Found n = 361275, Darren Smith
- 1998-03-08: Found n = 262419, Darren Smith
- 1997-05: Found n = 90825, Jeffrey Young
- 1997-05: Found n = 59656, Jeffrey Young
- 1997-05-01: Found n = 32469, Masakatu Morii
- 1997-05-01: Found n = 32292, Masakatu Morii
- 1984: Found n = 18496, Wilfrid Keller
- 1984: Found n = 6611, Wilfrid Keller
- 1984: Found n = 5795, Wilfrid Keller
- 1984: Found n = 4713, Wilfrid Keller
- 1957: Found n = 141, Raphael M. Robinson
- 1905: Found n = 1, James Cullen
