BRENTFACTORS[5431]:=
[ ,,,,,,,,,,,,,,,,,, [ 43117626061, 732725323726051136093177 ],,,, 
  [ 683477271916163291354849, 
      1739838323565621442430300942196900506921801120641 ],,,,,, 
  [ 3953925752819639711363707544723165677 ],, 
  [ 267216607051, 21918386194451, 13065291377849078675591684453029, 
      164168156468876238098566735303105632787657260868331 ],,,,,, 
  [ 52856413344150887, 4314729530540714554649 ],,,, 
  [ 1180548205066321756921389490603 ],,,,,, [ 277901019457 ],,,,,,,,,,,, 
  [ 9756555214418970956316093833 ],, [ 4002990166907243177 ],,,,,, 
  [ 81250596971684936203 ],,,, [ 40744034504753 ],,,,,,,,,,,,,,,,,,,,,,,,,, 
  [ 8420651164317687332473 ],,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 
  [ 25803559417 ],,,,,,,, [ 1150461336371297 ],,,,,,,,,, [ 374012239219693 ],,
  ,,,,,,,,,,,,,,,,,,,,,, [ 2942158409 ] ];
