Factor Info

ID 144173
Size 645 digits / 2142 bits
Status composite
Value 571484719714961196617338696415093829130404610343511430483447705289207215451611765700640733927189312037863703295235504450873195485551525183001375374283226913751462723729956867607895853109183962658126540102820672951543100586564727105351242650962389811738583666982240534930015242865901292985106756658704916783013490994233462976617475554975081864789602422454798384400417133979145095295998957413140816374760952059325477143052079392506287534131928266613797148911488175023809720134266844041617363536513353557447235964266931159886437254894518166400432413166242531673206236305043941740249480429569949489403670573881189064875094083367513399045172402805137

Factorizations

Primary (ID: 144851) 87263299210252111316342255347 (proven prime)
(ID: 179975) 6548969897849340404232764667564186108956249898920673993773384700704994367422221347191177911732435785454793177741924647813448275907297604899703756572775477922186843694234037829669485298761802021922526305527054169847191834570409592817002945579345909775521382520167442844193888110384419950304314665031540554090507714971332416291335417294460588182796341785464269066644780207659312438776280133023801460787387463268779374004882889338418751719328366346944091223005048825223501373380703350876867851930220269984685464780694883484505174119583919580940871492138713811429606260385083423399451205830766337943095998914990794366571 (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.