Home
News
How ?
Download
Bench

Status
Reserve
Submit
Results
Producers

Math.
Algo.
Stat.
Fun

Links
Credits
Feedback
 

Intervals searched for generalized Fermat numbers and list of contributors

11 (2048)
      2 - 1000000   Kimmo Herranen
1000000 - 4000000   Richard Kapek

12 (4096)
      2 - 1000000   Kimmo Herranen
1000000 - 3200000   Richard Kapek

13 (8192)
      2 -   50000   Yves Gallot
  50000 -   75000   Kimmo Herranen
  75000 -  100000   Ray Ballinger
 100000 -  250000   Kimmo Herranen
 250000 -  260000   Jose Manuel Plaza Heras
 260000 -  320000   Kimmo Herranen
 320000 -  330000   Manfred Toplic
 330000 -  340000   Eric Prestemon
 340000 -  360000   Manfred Toplic
 360000 -  470000   Kimmo Herranen
 470000 -  520000   Kenneth Brazier
 520000 -  570000   Kimmo Herranen
 570000 -  580000   Manfred Toplic
 580000 -  590000   Klaus Bodenstein
 590000 -  610000   Manfred Toplic
 610000 -  620000   Jose Manuel Plaza Heras
 620000 -  640000   David Hanson
 640000 -  650000   Pavlos Saridis
 650000 -  670000   Manfred Toplic
 670000 -  680000   Peter Shaw
 680000 -  690000   Jose Manuel Plaza Heras
 690000 -  700000   Yves Gallot
 700000 -  710000   Peter Crickman
 710000 -  720000   Peter Shaw
 720000 -  730000   Daniel Heuer
 730000 -  740000   Pavlos Saridis
 740000 -  750000   Yves Gallot
 750000 -  800000   Michael Angel
 800000 -  821000   Johnson Lau
 821000 -  950000   Yves Gallot
 950000 -  960000   Jean-Yves Canart
 960000 -  970000   Greg Childers
 970000 - 1005000   Yves Gallot
1005000 - 1045000   Kimmo Herranen
1045000 - 1050000   Yves Gallot
1050000 - 1060000   Michael Bell
1060000 - 1190000   Yves Gallot
1190000 - 2600000   Jim Fougeron
2600000 - 2630000   Yary Hluchan

14 (16384)
      2 -  100000   Yves Gallot
 100000 -  130000   Kimmo Herranen
 130000 -  160000   Klaus Bodenstein
 160000 -  200000   Kimmo Herranen
 200000 -  210000   Johnson Lau
 210000 -  230000   Andy Penrose
 230000 -  300000   Steve Scott
 300000 -  310000   Yves Gallot
 310000 -  320000   David Hanson
 320000 -  400000   Steve Scott
 400000 -  410000   Yves Gallot
 410000 -  450000   David Hanson
 450000 -  460000   Jose Manuel Plaza Heras
 460000 -  530000   Yves Gallot
 530000 -  560000   Michael Angel
 560000 -  565000   Peter Crickman
 565000 -  590000   Michael Angel
 590000 -  600000   Kimmo Herranen
 600000 -  630000   David Hanson
 630000 -  639000   Johnson Lau
 639000 -  700000   David Hanson
 700000 -  704930   Greg Hewgill
 704930 -  725000   David Hanson
 725000 -  750000   Daniel Heuer
 750000 -  760000   Steven Harvey
 760000 -  765000   Peter Shaw
 765000 -  770000   Mike Reed
 770000 -  775000   Jose Manuel Plaza Heras
 775000 -  780000   Peter Shaw
 780000 -  785000   Martin Raab
 785000 -  790000   Peter Shaw
 790000 -  795000   Mike Reed
 795000 -  800000   Greg Childers
 800000 -  810000   Frank Welsch
 810000 -  830000   Greg Childers
 830000 -  840000   Peter von Steht
 840000 -  850000   Yves Gallot
 850000 -  860000   Mike Reed
 860000 -  870000   Patrick Fossano
 870000 -  875000   Steven Harvey
 875000 -  900000   Peter von Steht
 900000 -  940000   Arlin Anderson and Don Robinson
 940000 - 1150000   Daniel Heuer
1150000 - 1300000   Jevgeni Muischnek
1300000 - 1500000   David Underbakke
1500000 - 1800000   Jim Fougeron
1800000 - 1900000   Hans Rosenthal
1900000 - 2176376   Michael Angel
2176376 - 2700000   David Underbakke

15 (32768)
      2 -    5000   Yves Gallot
   5000 -    7450   Chad Davis
   7450 -   10000   Ray Ballinger
  10000 -   40000   Yves Gallot
  40000 -   70000   Andy Penrose
  70000 -   73500   Pavlos Saridis
  73500 -   75000   Yves Gallot
  75000 -   80000   Greg Childers
  80000 -   85000   Ray Ballinger
  85000 -  100000   Daniel Heuer
 100000 -  130000   Yves Gallot
 130000 -  135000   Rick Cummings
 135000 -  180000   Yves Gallot
 180000 -  190000   Ray Ballinger
 190000 -  210000   David Hanson
 210000 -  230000   Klaus Bodenstein
 230000 -  250000   Daniel Heuer
 250000 -  300000   Steve Scott
 300000 -  400000   Michael Angel
 400000 -  500000   David Underbakke
 500000 -  520000   Daniel Heuer
 520000 -  530000   Johnson Lau
 530000 -  540000   Peter Crickman
 540000 -  550000   David Hanson
 550000 -  555000   Yves Gallot
 555000 -  560000   Patrick Fossano
 560000 -  565000   Nathan Russell
 565000 -  600000   Yary Hluchan
 600000 -  700000   Daniel Heuer
 700000 -  710000   Yves Gallot
 710000 -  715000   Yary Hluchan
 715000 -  735000   Peter von Steht
 735000 -  737000   Franz Hagel
 737000 -  739000   Bjrn Rsner
 739000 -  741000   Peter Shaw
 741000 -  745000   Frank Welsch
 745000 -  747000   Peter Crickman
 747000 -  750000   Patrick Fossano
 750000 -  753000   Yves Gallot
 753000 -  756000   Michael Paepcke
 756000 -  760000   Peter Crickman
 760000 -  765000   Patrick Fossano
 765000 -  770000   David Hanson
 770000 -  800000   Phil Carmody
 800000 -  802000   Leonard Hemsen
 802000 -  850000   Phil Carmody
 850000 - 1000000   Steve Scott
1000000 - 1050000   Yves Gallot
1050000 - 1100000   Andy Penrose
1100000 - 1105000   Tim Grubert
1105000 - 1106000   Yves Bellefeuille
1106000 - 1108000   Franz Hagel
1108000 - 1114000   Leonard Hemsen
1114000 - 1200000   Andy Penrose
1200000 - 1207000   Yves Gallot
1207000 - 1270000   Hans Rosenthal
1270000 - 1380000   Daniel Heuer
1380000 - 1400000   Yves Gallot
1400000 - 1450000   Hans Rosenthal
1450000 - 1500000   Jevgeni Muischnek
1500000 - 1520000   Arlin Anderson and Don Robinson
1520000 - 1530000   Patrick Fossano
1530000 - 1535000   Gary Chaffey
1535000 - 1540000   Paul Kecskes
1540000 - 1542000   Steven Harvey
1542000 - 1544000   Franz Hagel
1544000 - 1546000   Frank Welsch
1546000 - 1550000   Loc Mottier
1550000 - 1620000   Gran Axelsson
1620000 - 1767766   Daniel Heuer
1767766 - 2200000   David Underbakke
2200000 - 2800000   Daniel Heuer

16 (65536)
      2 -   20000   Yves Gallot
  20000 -  100000   Steve Scott
 100000 -  120000   Klaus Bodenstein
 120000 -  121000   Yves Gallot
 121000 -  130000   Peter Crickman
 130000 -  135000   Yves Gallot
 135000 -  137000   Mike Reed
 137000 -  138000   Pavlos Saridis
 138000 -  138500   Yves Bellefeuille
 138500 -  140500   Franz Hagel
 140500 -  141500   Ludwig Berndt
 141500 -  142000   Franz Hagel
 142000 -  143000   Yves Bellefeuille
 143000 -  145000   Dave Aldous
 145000 -  148000   Leonard Hemsen
 148000 -  149000   Steven Harvey
 149000 -  150000   Jol Armengaud
 150000 -  170000   Andy Penrose
 170000 -  171000   Andrea Pacini
 171000 -  172000   Gerry Snyder
 172000 -  175000   Patrick Fossano
 175000 -  176000   Frank Welsch
 176000 -  178000   Tim Grubert
 178000 -  179000   Yves Gallot
 179000 -  181000   Yary Hluchan
 181000 -  184000   David Hanson
 184000 -  185000   Franz Hagel
 185000 -  188000   Leonard Hemsen
 188000 -  189000   Robert Matson
 189000 -  190000   Richard Kapek
 190000 -  192000   Charles Frenzel
 250000 -  252000   Yary Hluchan
 252000 -  253000   Franz Hagel
 255000 -  256000   Franz Hagel
 256000 -  260000   Yary Hluchan
 270000 -  273000   Patrick Fossano
 273000 -  274000   Franz Hagel
 274000 -  275000   Dave Walker
 280000 -  282000   Peter Crickman
 282000 -  287000   Dave Walker
 287000 -  288000   Franz Hagel
 288000 -  289000   Steven Harvey
 289000 -  294000   Yary Hluchan
 294000 -  295000   Franz Hagel
 295000 -  299000   Bo Xiao
 299000 -  300000   Dave Aldous
 300000 -  301000   David Kokales
 301000 -  302000   Michael Haas
 302000 -  305000   Jiong Sun
 305000 -  306000   Franz Hagel
 306000 -  307000   Mike Reed
 307000 -  308000   Dave Aldous
 308000 -  313000   Gerry Snyder
 315000 -  316000   David Terr
 316000 -  320000   Craig Kitchen
 320000 -  330000   Bo Xiao
 330000 -  333000   Franz Hagel
 333000 -  340000   Yary Hluchan
 340000 -  341000   Dave Aldous
 341000 -  342000   Peter Crickman
 342000 -  344000   Franz Hagel
 349000 -  350000   Frank Clowes
 350000 -  355000   Simeon Ayeni
 355000 -  356000   Scott Senate
 356000 -  359000   Franz Hagel
 359000 -  360000   Bernhard Frey
 360000 -  370000   Jiong Sun
 370000 -  375000   Patrick Fossano
 375000 -  380000   Gerry Snyder
 380000 -  382000   Flavius Isac
 382000 -  390000   Jiong Sun
 390000 -  395000   Robert Matson
 395000 -  500000   Michael Angel
 500000 -  600000   David Underbakke
 600000 -  690000   Manfred Toplic
 695000 -  700000   Manfred Toplic
 700000 -  800000   Daniel Heuer
 800000 -  860000   Yves Gallot
 860000 -  875000   Bernhard Frey
 900000 -  961000   Steve Scott
 991000 - 1050000   Steve Scott
1100000 - 1104000   Loc Mottier
1104000 - 1125000   David Underbakke
1184000 - 1200000   Loc Mottier
1200000 - 1350000   David Underbakke
1435872 - 1550000   Daniel Heuer
1550000 - 1560000   David Underbakke
1560000 - 1800000   Daniel Heuer
1850000 - 1860000   Scott Murray

17 (131072)
      2 -     100   Yves Gallot
    100 -     200   Ray Ballinger
    200 -     500   Nestor Sergio de Araujo Melo
    500 -    2000   Ray Ballinger
   2000 -    2500   Helmut Zeisel
   2500 -    3000   Joe Eversole
   3000 -    3500   Yves Gallot
   3500 -    3900   Michael Carpenter
   3900 -   10000   Yves Gallot
  10000 -   15000   Manfred Toplic
  15000 -   15500   Gerry Snyder
  15500 -   19000   Yves Gallot
  19000 -   20000   Ray Ballinger
  20000 -   25000   Manfred Toplic
  25000 -   26000   Peter Crickman
  26000 -   30000   Yves Gallot
  30000 -   31000   Gerry Snyder
  38000 -   40000   Klaus Bodenstein
  40000 -   41000   Bernhard Frey
  46000 -   46500   Robert Matson
  46500 -   47000   Ludwig Berndt
  47000 -   47500   Yves Bellefeuille
  47500 -   48000   Scott Murray
  48000 -   49000   Gerry Snyder
  49000 -   50000   Ray Ballinger
  50000 -   55000   Jiong Sun
  55000 -   56000   Mario Neves
  60000 -  100000   Michael Angel
 100000 -  101000   Bernhard Frey
 110000 -  113000   Franz Hagel
 114000 -  116000   Bernhard Frey
 116000 -  117000   Franz Hagel
 118000 -  120000   Raffi Chaglassian
 123000 -  124000   Bo Xiao
 125000 -  126000   Scott Murray
 126000 -  127000   Raffi Chaglassian
 127000 -  130000   Patrick Fossano
 130000 -  150000   Michael Angel
 150000 -  151000   Peter Crickman
 153000 -  154000   Holger Mitterwald
 155000 -  156000   Franz Hagel
 156000 -  158000   Scott Murray
 158000 -  115900   Franz Hagel
 159000	-  161000   Peter Crickman
 530000 -  550000   Yves Gallot
 555000 -  565000   Yves Gallot
 567000 -  577000   Yves Gallot
 600000 -  610000   Manfred Toplic
1000000 - 1010000   David Underbakke
1145000 - 1166000   David Underbakke
1166000 - 1167000   Daniel Heuer

18 (262144)
      2 -      12   Yves Gallot
     14 -     100   Andy Penrose
    100 -     300   Nestor Sergio de Araujo Melo
   1200 -    1400   Richard Kapek
   3000 -    3500   Bernhard Frey
   4400 -    4500   Raffi Chaglassian
   5000 -    5500   Peter Crickman
   7000 -    7500   Flavius Isac
   8500 -    8700   Michael Angel
 589472 -  589708   Andrey Kulsha

19 (524288)
      2 -      26   Yves Gallot
     28 -     100   Andy Penrose
    100 -     200   Nathan Russell
    502 -     600   Michael Paepcke
    602 -     650   Yves Bellefeuille
    652 -     700   Richard Kapek

20 (1048576)
      2 -      50   Arlin Anderson and Don Robinson
    102 -     200   Michael Paepcke
    202 -     300   Chris Skowronek
    602 -     700   Michael Paepcke