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 "Proth prime 2 25"

From Prime-Wiki
Jump to: navigation, search
(hist 1979)
(all GF Divs+hist)
Line 4: Line 4:
 
|PCount=45
 
|PCount=45
 
|PNash=2198
 
|PNash=2198
|PMaxn=1780000
+
|PMaxn=9000000
|PDate=2021-03-01
+
|PDate=2021-04-01
 
|PReserved=
 
|PReserved=
 
|PMultiRes=
 
|PMultiRes=
 
|PNlist=
 
|PNlist=
 
2
 
2
4
+
4;T:G
6
+
6;T:G
10
+
10;T:G
 
20
 
20
 
22
 
22
52
+
52;T:G
64
+
64;T:G
78
+
78;T:G
184
+
184;T:G
232
+
232;T:G
 
268
 
268
340
+
340;T:G
448
+
448;T:G
 
554
 
554
664
+
664;T:G
740
+
740;T:G
748
+
748;T:G
1280
+
1280;T:G
1328
+
1328;T:G
1640
+
1640;T:G
3314;58888
+
3314;58888;T:G
3904;48403
+
3904;48403;T:G
3938;47836
+
3938;47836;T:G
5152;38823
+
5152;38823;T:G
 
9522;29933
 
9522;29933
57488;11007
+
57488;11007;T:G
66872;8610
+
66872;8610;T:G
148060;1332
+
148060;1332;T:G
154254;1226
+
154254;1226;T:G
216092;391
+
216092;391;T:G
302194;67208
+
302194;67208;T:G
367294;69580
+
367294;69580;T:G
627710;69798
+
627710;69798;T:G
966414;70183
+
966414;70183;T:G
1211488;73208
+
1211488;73208;T:G
1258562;72576
+
1258562;72576;T:G
 
1298186;74533
 
1298186;74533
2141884;101943
+
2141884;101943;T:G
 
2583690;113940
 
2583690;113940
2927222;113945
+
2927222;113945;T:G
3733144;129942
+
3733144;129942;T:G
4481024;130014
+
4481024;130014;T:G
8456828;131626
+
8456828;131626;T:G
 
8788628;132108;T:G
 
8788628;132108;T:G
|PRemarks=
+
|PRemarks=For all even {{Vn}}-values {{Kbn|+|25|2|n}} is a [[Generalized Fermat number]].
 
|PSieve=
 
|PSieve=
 
}}
 
}}
 
==History==
 
==History==
{{HistF|2021-03-01|8788628|Tom Greer,PrimeGrid}} ([https://www.primegrid.com/download/DIV-8788628.pdf Official Announcement])
+
{{HistC|2021-04-01|9000000|PrimeGrid Fermat Divisor Search}}
 +
{{HistF|2021-03-01|8788628|Tom Greer,PrimeGrid Fermat Divisor Search}} ([https://www.primegrid.com/download/DIV-8788628.pdf Official announcement])
 +
{{HistF|2021-01-28|8456828|Wolfgang Schwieger,PrimeGrid Fermat Divisor Search}} ([http://www.primegrid.com/download/DIV-8456828.pdf Official announcement])
 +
{{HistF|2019-10-12|4481024|Will Steinbach,PrimeGrid Fermat Divisor Search}}
 +
{{HistF|2019-09-18|3733144|Tom Greer,PrimeGrid Fermat Divisor Search}}
 +
{{HistF|2013-04-22|2927222|Rick Channing,PrimeGrid Proth Prime Search}}
 +
{{HistF|2013-04-20|2583690|Håkan Lind,PrimeGrid Proth Prime Search}}
 +
{{HistF|2011-09-12|2141884|Grzegorz Granowski,PrimeGrid Proth Prime Search}}
 +
{{HistF|2005-05-19|1298186|Curtis Cooper}}
 +
{{HistF|2005-01-20|1211488|Curtis Cooper}}
 +
{{HistF|2004-12-02|1258562|Curtis Cooper}}
 +
{{HistF|2004-05-06|966414|Curtis Cooper}}
 +
{{HistF|2004-04-10|627710|Curtis Cooper}}
 +
{{HistF|2004-03-24|367294|Curtis Cooper}}
 +
{{HistF|2003-11-15|302194|Payam Samidoost}}
 +
{{HistF|2001-01-17|216092|Nestor Sergio de Araujo Melo}}
 +
{{HistF|1999-11-28|148060|Sturle Sunde}}
 +
{{HistF|1999-09-10|154254|Peter Dodson}}
 +
{{HistF|1995-08|66872|Jeffrey Young}}
 +
{{HistF|1995-08|57488|Jeffrey Young}}
 +
{{HistF|1983|9522|Wilfrid Keller}}
 +
{{HistF|1983|5152|Wilfrid Keller}}
 
{{HistC|1979|1500-4000|Gordon V. Cormack,Hugh C. Williams}}
 
{{HistC|1979|1500-4000|Gordon V. Cormack,Hugh C. Williams}}
 
{{HistF|1979|3938|Gordon V. Cormack,Hugh C. Williams}}
 
{{HistF|1979|3938|Gordon V. Cormack,Hugh C. Williams}}

Revision as of 11:32, 26 August 2021

Current data

k , b : 25 , 2
Count : 45
Nash : 2198
Max n : 9,000,000
Date : 2021-04-01
2, 4[1], 6[2], 10[3], 20, 22, 52[4], 64[5], 78[6], 184[7], 232[8], 268, 340[9], 448[10], 554, 664[11], 740[12], 748[13], 1280[14], 1328[15], 1640[16], 3314[17], 3904[18], 3938[19], 5152[20], 9522, 57488[21], 66872[22], 148060[23], 154254[24], 216092[25], 302194[26], 367294[27], 627710[28], 966414[29], 1211488[30], 1258562[31], 1298186, 2141884[32], 2583690, 2927222[33], 3733144[34], 4481024[35], 8456828[36], 8788628[37]
Remarks :
For all even n-values 25•2n+1 is a Generalized Fermat number.

Notes

  1. Jump up Is GF Divisor of xGF(3,3,2)
  2. Jump up Is GF Divisor of xGF(4,9,2)
  3. Jump up Is GF Divisor of xGF(8,9,2)
  4. Jump up Is GF Divisor of GF(48,10) [+1]
  5. Jump up Is GF Divisor of xGF(63,6,5)
  6. Jump up Is GF Divisor of xGF(77,3,2) [+2]
  7. Jump up Is GF Divisor of xGF(183,5,3) [+1]
  8. Jump up Is GF Divisor of xGF(230,9,2)
  9. Jump up Is GF Divisor of xGF(338,9,5)
  10. Jump up Is GF Divisor of xGF(439,5,2) [+2]
  11. Jump up Is GF Divisor of xGF(662,7,2) [+1]
  12. Jump up Is GF Divisor of xGF(738,9,8) [+1]
  13. Jump up Is GF Divisor of xGF(742,5,2) [+1]
  14. Jump up Is GF Divisor of xGF(1278,9,8) [+1]
  15. Jump up Is GF Divisor of xGF(1324,12,11)
  16. Jump up Is GF Divisor of xGF(1638,7,3) [+1]
  17. Jump up Is GF Divisor of xGF(3312,11,8)
  18. Jump up Is GF Divisor of GF(3903,6) [+2]
  19. Jump up Is GF Divisor of xGF(3934,12,11)
  20. Jump up Is GF Divisor of GF(5147,10)
  21. Jump up Is GF Divisor of xGF(57484,5,2) [+2]
  22. Jump up Is GF Divisor of xGF(66871,4,3) [+1]
  23. Jump up Is GF Divisor of xGF(148059,7,6) [+1]
  24. Jump up Is GF Divisor of xGF(154252,7,3) [+1]
  25. Jump up Is GF Divisor of xGF(216091,11,10)
  26. Jump up Is GF Divisor of xGF(302187,8,5)
  27. Jump up Is GF Divisor of xGF(367288,8,5)
  28. Jump up Is GF Divisor of xGF(627709,3,2) [+1]
  29. Jump up Is GF Divisor of xGF(966412,11,5)
  30. Jump up Is GF Divisor of GF(1211487,12)
  31. Jump up Is GF Divisor of xGF(1258561,7,2)
  32. Jump up Is GF Divisor of F(2141872) [+5]
  33. Jump up Is GF Divisor of xGF(2927219,7,6) [+1]
  34. Jump up Is GF Divisor of xGF(3733139,8,5) [+1]
  35. Jump up Is GF Divisor of xGF(4481020,8,5) [+1]
  36. Jump up Is GF Divisor of GF(8456827,12)
  37. Jump up Is GF Divisor of xGF(8788627,11,4)

History