Factor Info

ID 173055
Size 645 digits / 2143 bits
Status composite
Value 947249188122539390348223354944457139159662673131589654697033820748981900349915797460523378711724170462682472659730414275416240617154471612795289513771807657163442171816923292998403395275847031525026262272813291477576539958942413212022575153979015199303680970725996087069229815774346395060321745134809835666949897593018138355301338517807853174043670483882276760749302747470211017872024766404903544772765943245132659062102733561839477414394862356733850771727363630186759061129154194486919778736653031574860428000625830530649116575915257110878239504946121055126337660605541819486789195958029137870081995382202081104666710948952973887214812651399673

Factorizations

Primary (ID: 136466) 326712043035342859080672505541697769847233 (proven prime)
(ID: 173056) 2899339673316139242676181322778253494958645315552644511902518019816616108300094108383377640911801554307078260815122424667511826559415228884203315828644811365529985201158115061043227138075225054082386269842506555042935708278935727627037189227435129525315551930494836921900256697020552228688944730394643760574466120873073511737488042545060598777384589181892233080693609343663796865920784384864048376779957162475220571930743468349366331896603930856252728256776254249920392796325057989396765579452854776074308667738321528113898325089993809838024610848957868071688649535128191083519124578695386100208270298681 (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.