Factor Info

ID 161787
Size 498 digits / 1652 bits
Status composite
Value 131653884777291397933416568846800287606374663505632813615955979091359446450178796343579769106745276196291245300595752775060510012820344575448453080682855926006035414096832739259048161527670075424874710290190662365870967709794157442936841934632461680716872073557537255218400993186445850979673846179518946870316888265575681367487257996798591056340356230156511179259786078719265322376713476394273870968807578445344019917416836317501824170565553954499248523675881042745588193998971954776577986075447847

Factorizations

Primary (ID: 160970) 78268324866748659856953955265123 (proven prime)
(ID: 194075) 1682083844280956880281018540556390087468922428723281845639208184167654538385382888364153476206214566074440197743654088680024969242747122132348325893894989240459532896249285565476396334373586243425176625933953189090215560432934959020541427495596820571827777533114833825654670789485973509943566972181343859658800086143158055085125104348449179533327534399098406314422867385480095744009899756581915345196550393096006317573495613885561526454658323966517754886009167905389 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.