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Difference between revisions of "Proth prime 2 19"

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(PCount)
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{{Proth prime
 
{{Proth prime
 
|Pk=19
 
|Pk=19
|PCount=20
+
|Pb=2
 +
|PCount=21
 
|PNash=828
 
|PNash=828
|PMaxn=2500000
+
|PMaxn=9000000
|PDate=2007-02-16
+
|PDate=2021-04-01
 
|PReserved=
 
|PReserved=
 +
|PMultiRes=
 
|PNlist=
 
|PNlist=
6
+
6;T:G
10
+
10;T:G
46
+
46;T:G
366
+
366;T:G
1246
+
1246;T:G
2038
+
2038;T:G
4386;42098
+
4386;42098;T:G
4438;41634
+
4438;41634;T:G
6838;35072
+
6838;35072;T:G
7498;33161
+
7498;33161;T:G
7998;32201
+
7998;32201;T:G
9450;29956
+
9450;29956;T:G
11890;27904
+
11890;27904;T:G
17034;24476
+
17034;24476;T:G
23290;21459
+
23290;21459;T:G
73338;8090
+
73338;8090;T:G
149146;1304
+
149146;1304;T:G
323638;60832
+
323638;60832;T:G
853546;73417
+
853546;73417;T:G
2206266;78496
+
2206266;78496;T:G
|PRemarks=
+
6833086;131356;T:G
 +
|PRemarks=The {{OEIS|l|A032359}}
 
}}
 
}}
 +
==History==
 +
{{HistC|2021-04-01|9000000|PrimeGrid Fermat Divisor Search}}
 +
{{HistF|2020-10-25|6833086|Jiri Jaros,PrimeGrid Fermat Divisor Search}} ([https://www.primegrid.com/download/DIV-6833086.pdf Official announcement])
 +
{{HistC|2019-07|3322000-3640000|PrimeGrid Proth Mega Prime Search}}
 +
{{HistF|2006-09-15|2206266|Joseph Bohanon}}
 +
{{HistF|2005-02-11|853546|Joseph Bohanon}}
 +
{{HistF|2002-11-25|323638|Yves Gallot}}
 +
{{HistF|1998-05-07|149146|Yves Gallot}}
 +
{{HistF|1995-08|73338|Jeffrey Young}}
 +
{{HistF|1992|23290|Harvey Dubner}}
 +
{{HistF|1992|17034|Harvey Dubner}}
 +
{{HistF|1983|7498|Wilfrid Keller}}
 +
{{HistF|1983|4438|Wilfrid Keller}}
 +
{{HistF|1983|4386|Wilfrid Keller}}
 +
{{HistF|1980|11890|Wilfrid Keller}}
 +
{{HistF|1980|9450|Wilfrid Keller}}
 +
{{HistC|1979|1500-4000|Gordon V. Cormack,Hugh C. Williams}}
 +
{{HistF|1979|2038|Gordon V. Cormack,Hugh C. Williams}}
 +
{{HistF|1978|6838|Wilfrid Keller}}

Latest revision as of 13:31, 26 May 2024

Current data

k , b : 19 , 2
Type : Low
Count : 21
Nash : 828
Max n : 9,000,000
Date : 2021-04-01
6[1], 10[2], 46[3], 366[4], 1246[5], 2038[6], 4386[7], 4438[8], 6838[9], 7498[10], 7998[11], 9450[12], 11890[13], 17034[14], 23290[15], 73338[16], 149146[17], 323638[18], 853546[19], 2206266[20], 6833086[21]
Remarks :
The sequence A032359 in OEIS

Notes

History