BRENTFACTORS[3881]:=[ ,,,,,,,,,,,, [ 244139932661 ],,,,,, 
  [ 7475097269, 30798088799407, 213428804944183663 ],,,, 
  [ 247843025031461, 960423502158853, 1472900010044368027, 
      1066547326908311039837 ],,,,,, 
  [ 7250832154146347816610573835834645062878003, 
      4035369855419659488933878005753184724339856259181679 ],, 
  [ 648198800476802974347173, 7420201451745811295987779247957, 
      74362308663066883638954893840986221265232751336457 ],,,,,, 
  [ 613934347198497756763, 44582053758183495515653882346929 ],,,, 
  [ 16422873737, 368354637779 ],, 
  [ 3972850669, 23248789877, 1686846172079, 1316707095611063561, 
      310612944689436969223170277, 
      646643849108323291436409213454065571251647694298623008228963179013 ],,,
  , [ 1259154817, 1883912627074603, 28627162940159831 ],,,,,, 
  [ 13914097666846900889, 71265067214292208037327, 1101787696031457136868143 ]
   ,,,,,,,, [ 32633923229 ],,,,,, [ 6725726929, 5167852733987 ],,,,,,,,,,,,,,,
  , [ 5440953234359 ],,,,,,,,,,,,,,,,,,,, [ 2073048453442928659949 ],,,,,,,,,
  , [ 9056079208184331253813 ],,,,,,,,,,,,,,,,,,,,,,,, [ 36738953803 ] ];
