Factor Info

ID 23561
Size 495 digits / 1644 bits
Status composite
Value 578225192937506894276459316935087783230821718717797586555915060250295087020272302692790093526030509555978508461090173955783131265301142163641988987984316029200385826619277271285661538313981713304291881142642608286275365583897859566541871042855526686134662510808369452576256243728723543454022275542625579804874390314719153295591023444956204008462889965265526775940634389871329223725739265955721263180323018433648812604928367348192762079064300010858705515598941536115316139898286998658270934506423

Factorizations

Primary (ID: 18331) 39899177220516741740469143831233 (proven prime)
(ID: 32878) 14492158315489649366893857464218786196240989007403050926108078332637438834968576855912921395214988323169820151186440515770985093014606577672047113814323759600743154196173564596655845511410614169803796190143125899640597282795980345702340385930798951331396556709170391468841441308038805550329083579432564535126884689923802222555417625873699318667655382955730627577620965262811755465589768279664760026750625113069352338742434690400737722006555875421044916427850765431 (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.