Intervals searched for Cullen primes and list of contributors

   Range of n    Searcher
  100,000-150,000 Yves Gallot
  150,000-160,000 Ray Ballinger
  160,000-170,000 Andy Penrose
  170,000-180,000 Charles Kerchner
  180,000-200,000 Darren Smith
  200,000-250,000 Yves Gallot
  250,000-285,000 Darren Smith
  285,000-300,000 Yves Gallot
  300,000-305,000 Henri Lifchitz
  305,000-310,000 Ray Ballinger
  310,000-315,000 Yves Gallot
  315,000-365,000 Darren Smith
  365,000-366,000 Andre Needham
  366,000-367,000 Brandon Galbraith
  367,000-368,000 Pete Dodson
  368,000-369,000 Todd Thayer
  369,000-370,000 Skip Key
  370,000-371,000 Yves Gallot
  371,000-372,000 Pete Dodson
  372,000-374,000 Eric Rowland
  374,000-375,000 Andre Needham
  375,000-376,000 Todd Thayer
  376,000-377,000 Yves Gallot
  377,000-378,000 Rich Brown
  378,000-380,000 Yves Gallot
  380,000-381,000 Michael John Martinez
  381,000-384,000 Yves Gallot
  384,000-385,000 Bruce Ziemienski
  385,000-386,000 Patrick Doane
  386,000-388,000 Pete Dodson
  388,000-392,000 Yves Gallot
  392,000-393,000 Dimitri de Rooij
  393,000-400,000 Lars Carlen
  400,000-456,000 Darren Smith
  456,000-458,000 Yves Gallot
  458,000-460,000 Darren Smith
  460,000-464,000 Mark Rodenkirch
  464,000-466,000 Tim Nikkel
  466,000-490,000 Darren Smith
  490,000-492,000 Paul Leyland
  492,000-504,000 Yves Gallot
  504,000-506,000 Nicholas Pagnier
  506,000-600,000 Darren Smith
  600,000-602,000 Yves Gallot
  602,000-604,000 Olivier Dodinval
  604,000-606,000 Dave Linton
  606,000-608,000 Mark Rodenkirch
  608,000-610,000 Yves Gallot
  610,000-611,000 Todd Thayer
  611,000-612,000 Mark Rodenkirch
  612,000-613,000 Bruce Ziemienski
  613,000-615,000 Masakatu Morii
  615,000-618,000 Todd Thayer
  618,000-619,000 Jim Liddle
  619,000-620,000 Masakatu Morii
  620,000-621,000 Pete Dodson
  621,000-622,000 Marcin Lipinski
  622,000-629,000 Masakatu Morii
  629,000-631,000 Mark Rodenkirch
  631,000-632,000 Matt Fischer
  632,000-633,000 Roman Garnett
  633,000-634,000 Mark Rodenkirch
  634,000-635,000 Roman Garnett
  635,000-636,000 Masakatu Morii
  636,000-637,000 Kevin O'Hare
  637,000-638,000 John DeCuir
  638,000-638,739 Andres Aitsen
  638,739-639,000 David M. Anderson
  639,000-639,500 Willem Simelink
  639,500-640,000 Roman Garnett
  640,000-642,000 Jim Liddle
  642,000-644,000 Mark Rodenkirch
  644,000-646,000 David M. Anderson
  646,000-648,000 Mark Rodenkirch
  648,000-650,000 Masakatu Morii
  650,000-652,000 Roman Garnett
  652,000-654,000 Masakatu Morii
  654,000-656,000 Mark Rodenkirch
  656,000-658,000 David M. Anderson
  658,000-660,000 Todd Thayer
  660,000-662,000 Mark Rodenkirch
  662,000-664,000 Olivier Dodinval
  664,000-668,000 Todd Thayer
  668,000-672,000 Yary Hluchan
  672,000-674,000 Todd Thayer
  674,000-678,000 Mark Rodenkirch
  678,000-680,000 Rich Brown
  680,000-700,000 Yary Hluchan
  700,000-702,000 Mark Rodenkirch
  702,000-704,000 Greg Hewgill
  704,000-706,000 Henrik Nilsson
  706,000-708,000 Andre Needham
  708,000-712,000 Yary Hluchan
  712,000-714,000 Mark Rodenkirch
  714,000-716,000 Neal Bushaw
  716,000-718,000 Mark Rodenkirch
  718,000-750,000 Richard Kapek
  750,000-760,000 Mike Kruger
  760,000-770,000 Yary Hluchan
  770,000-780,000 Mark Rodenkirch
  780,000-810,000 Yary Hluchan
  810,000-814,000 Mark Rodenkirch
  814,000-815,000 David Kokales
  815,000-840,000 Mark Rodenkirch
  840,000-841,000 Thomas Ritschel
  841,000-848,411 Craig Flowers
  848,411-876,000 Mark Rodenkirch
  876,000-878,000 Flavius Isac
  878,000-880,000 Mark Rodenkirch
  880,000-881,000 Margus Sõmer
  881,000-925,000 Mark Rodenkirch
  925,000-930,000 Pedrag Minovic
  930,000-960,000 Mark Rodenkirch
  960,000-1,000,000  Richard Kapek
1,000,000-1,005,000  Mark Rodenkirch
1,005,000-1,030,000  Jiong Sun
1,030,000-1,040,000  Mark Rodenkirch
1,040,000-1,076,631  Jiong Sun
1,076,632-1,080,000  Mark Rodenkirch
1,080,000-1,100,000  Jiong Sun
1,100,000-1,120,000  Pedrag Minovic
1,120,000-1,050,000  Mark Rodenkirch
1,150,000-1,160,000  Pedrag Minovic
1,160,000-1,199,999  Darren Bedwell
1,200,000-1,500,000  Mark Rodenkirch
1,500,000-1,502,000  Hauke Worpel
1,502,000-6,000,000  Primegrid Project