BRENTFACTORS[7643]:=
[ ,,,,,,,,,,,,,,,, [ 1267480643437, 174532684810776124317879607799036464898715\
033121 ],, 
  [ 9740189033, 6342571185351616757, 42569924436242947902314957115668317 ],,,
  , 
  [ 317402122802835171476447173152112651, 210163600976974331739992551034738719\
47294271 ],,,,,, 
  [ 5841603914693, 741171891554048342275312417, 39195373507678618034073946609,
      31751119314408982142400835127649140262869 ],, 
  [ 1491934494291019, 357015052669483711 ],,,,,,,,,, [ 3562615789 ],, 
  [ 222936895308983 ],,,,,,,,,, [ 9823176744427, 16323031149241213 ],,,,,,,,,,
  ,,,,,,,,,, [ 51048024877, 1292666774977975051379 ],,,,,, [ 165533542543 ],,,
  ,,,,,,,,,,,,,,,,,,,,,,,,,,, [ 4250589090493, 1390937406195244841 ],,,,,,,,,,
  ,,,,,,,, [ 50961586927 ] ];
