Factor Info

ID 28151
Size 660 digits / 2191 bits
Status composite
Value 284573682845381012800817446962523254078002795930216955597192286678176792282026892060179899986597790911346727601611809087609478035373286599899152212894851345990724318306012699711725807876841643468720854911656784436569146156212305952156522151854999897081518989928079674585246547180109156396417847964608789509709304605358188426910512063326934255408178552829129977753933482897980686205245360045812598894330589253659907815676310913061531138898398779459660404759802963730844162462175367489676184109478291942647139035709534657401075730640495552339093376948393148233132164240553432122915824110064005533826653830550971887257094773843483150453781459719000852231385597303

Factorizations

Primary (ID: 19407) 42545662673095831743789692955596677 (proven prime)
(ID: 40761) 6688664953509678910688560962469149773965714680151902676333450141012939730319542803560297930210296721515469635793718059063955441179272237613104359467067442866420282654986435914741811176227007013118998836702153540938918885245560564437588585085691704106789639375124604046176947197160553751759243028356135255947810840964141245070766624568974729280231683541485149393685534625583274089303080481700038062503964427391354956282897910183574500685998996924881302316535648971187323486747505306137723123932823598106308713108871846035815460878784312629825769101021652539035172078948177470354970963843955001609465565530669599189022880289739 (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.