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Difference between revisions of "Proth prime 2 121"
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| Line 4: | Line 4: | ||
|PCount=25 | |PCount=25 | ||
|PNash=1004 | |PNash=1004 | ||
| − | |PMaxn= | + | |PMaxn=10000000 |
| − | |PDate= | + | |PDate=2021-04-08 |
|PReserved= | |PReserved= | ||
| − | |PMultiRes= | + | |PMultiRes= |
|PNlist= | |PNlist= | ||
8 | 8 | ||
| − | 12 | + | 12;T:G |
44 | 44 | ||
84 | 84 | ||
| − | 96 | + | 96;T:G |
228 | 228 | ||
264 | 264 | ||
| Line 25: | Line 25: | ||
59196;10793 | 59196;10793 | ||
91112;5917 | 91112;5917 | ||
| − | 112208;2911 | + | 112208;2911;T:G |
168716;919 | 168716;919 | ||
251184;298 | 251184;298 | ||
| Line 34: | Line 34: | ||
674360;80213 | 674360;80213 | ||
9584444;131410 | 9584444;131410 | ||
| − | |PRemarks= | + | |PRemarks=The {{OEIS|l|A032410}}.<br>For all {{Vn}}-values {{Kbn|+|121|2|n}} is a [[Generalized Fermat number]].<br>[[PrimeGrid Proth Prime Search]] is double-checking {{Vn}}>5000000. |
|PSieve= | |PSieve= | ||
}} | }} | ||
==History== | ==History== | ||
| − | {{HistF|2020-11-20|9584444|James Winskill,PrimeGrid 27121 Prime Search}} ([https://www.primegrid.com/download/27121-9584444.pdf Official | + | {{HistC|2021-04-08|10000000|PrimeGrid 27121 Prime Search|P#9612#149921}} |
| + | {{HistF|2020-11-20|9584444|James Winskill,PrimeGrid 27121 Prime Search}} ([https://www.primegrid.com/download/27121-9584444.pdf Official announcement]) | ||
| + | {{HistC|2019-07|3322000-3640000|PrimeGrid Proth Mega Prime Search}} | ||
| + | {{HistF|2007-04-29|636564|Joseph Bohanon}} | ||
| + | {{HistF|2007-04-25|674360|Joseph Bohanon}} | ||
| + | {{HistF|2007-04-25|513020|Joseph Bohanon}} | ||
| + | {{HistF|2005-02-21|272052|Jim Fougeron}} | ||
| + | {{HistF|2005-02-18|264632|Jim Fougeron}} | ||
| + | {{HistF|2002-09-17|251184|Tadashi Taura}} | ||
| + | {{HistF|2002-07-21|168716|Tadashi Taura}} | ||
| + | {{HistF|1999-12-10|112208|Fumitaka Yura}} | ||
| + | {{HistF|1999-09-07|91112|Michael Ian Hartley}} | ||
| + | {{HistF|1998-06-09|59196|Wilfrid Keller}} | ||
| + | {{HistF|1998-06-06|37784|Wilfrid Keller}} | ||
| + | {{HistF|1992|7928|Harvey Dubner}} | ||
Latest revision as of 20:57, 13 September 2024
Current data
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Remarks : |
The sequence A032410 in OEIS. For all n-values 121•2n+1 is a Generalized Fermat number. PrimeGrid Proth Prime Search is double-checking n>5000000. |
Notes
- ↑ Is GF Divisor of xGF(11,8,3)
- ↑ Is GF Divisor of xGF(95,9,7)
- ↑ Is GF Divisor of GF(112207,5)
History
- 2021-04-08: Checked to n = 10000000, PrimeGrid 27121 Prime Search
- 2020-11-20: Found n = 9584444, James Winskill, PrimeGrid 27121 Prime Search (Official announcement)
- 2019-07: Checked n = 3322000 - 3640000, PrimeGrid Proth Mega Prime Search
- 2007-04-29: Found n = 636564, Joseph Bohanon
- 2007-04-25: Found n = 674360, Joseph Bohanon
- 2007-04-25: Found n = 513020, Joseph Bohanon
- 2005-02-21: Found n = 272052, Jim Fougeron
- 2005-02-18: Found n = 264632, Jim Fougeron
- 2002-09-17: Found n = 251184, Tadashi Taura
- 2002-07-21: Found n = 168716, Tadashi Taura
- 1999-12-10: Found n = 112208, Fumitaka Yura
- 1999-09-07: Found n = 91112, Michael Ian Hartley
- 1998-06-09: Found n = 59196, Wilfrid Keller
- 1998-06-06: Found n = 37784, Wilfrid Keller
- 1992: Found n = 7928, Harvey Dubner
