BRENTFACTORS[2801]:=[ ,,,,,,,,,,,,,,,, [ 1155061928281837112683 ],, 
  [ 1371021392040182353 ],,,, [ 1174901503, 80888727900887 ],,,,,, 
  [ 107455620197609952794311 ],, [ 132345512729 ],,,,,, 
  [ 2257201135906313, 342160502995120879 ],,,,,,,,,, [ 9992712809293 ],,,,,,,
  ,,,,,,,,,,,,,,,,, [ 1731812247205867777063 ],, 
  [ 122875995750793, 7412231679573491 ] ];
