Factor Info

ID 157746
Size 978 digits / 3249 bits
Status composite
Value 621342061563901324188826249989480551346378404215624587068650241054780171067024859415648660527816359766282695485126899919470533988086730682317200071106797049455734073235279656290006844703076475153434144293974279435504636472396951549527606307299344599546157126407335379996403224574657004850886763099879914614361417269640052542254914158045668111881629144890696489953331474274507893059763405691851232483603619716991434610568694361795754373672642349805367455030816572656447306230507945740862639688832133180484900580032546499711414152937505391044732672092024065982295080605546946191554669773924789311121443740607215011994404026040038430444769623259051326993626950279794461541046101766690065598381747795445322357018582725584739804176961453493947727854240409146188523029897666023874295774966347397862272533244991322942153474275853212194571563787772645859832372432574214259103762879198843439289580537353404542387561242944791532241865040524645383341828567960730376135142266070770564980023

Factorizations

Primary (ID: 191838) 15654521975507183519207099421721 (proven prime)
(ID: 191839) 39690899698888490269537469075656860478293150514041255972241927687161177967602494052005914453873433492292021093312546816426415859791334922316921782032699886938462163611046151104470573609937342461485091008176310792085072040647424273504943273269280522557959008048807186621294315544799539026810810693745995824196644101348785814489352272252790905172534325024554758303281121051634472234877808209494561241573322098699663293756070058312454454853636898660739923110138762822447063988475772672922780901981997749156483871956596567444090905572223093824093025566224022561435602137473021123378978856028340106846590026705492560285231461709630494032113446668781817004303456189039263740412996444019914544172218711876918993432585861489035827273177132832150989490943801843741725246734507213067182796965249930989288969365494405504602571648736526401538483811238902200236288289660587618588551943365688112131851954494707624291041746670779038159919815446365544535538099663 (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.