Factor Info

ID 142948
Size 1247 digits / 4142 bits
Status composite
Value 68181823712778693394609352574177841996068403702343024546653902299256910336557057898703917571296852683866458382714009556952934213490989575628811149593753952338552860374527767751528934099438316984836477876829393859118734187918461470114320375841740412575035362617387201049321071261054782216119374103856798797142771965973762361898576556202201015047874365593856600180091667548969527085177096829280617382562745910273959446331575383188418363564103288389056331162148944286251911990950527632563133685765573629951578975481323678330678731722361126017623053155081302103705969181266396035948840792999766648100613861272385097896237212226197545673298539605157286852788840518400412277568385897746164356786349622818889475404260853846940067896676983556696067653780799898317297297802809312051686867819351324632694759949532051747262672502382078652785499959876907263525891062010395863001034609431782315084645327420018298052728718880687779501643439860579603145997294759704260155511850434822981882072917901979025014948035808696054569680706629050712521274482196735736443938017798050506740414633506296979446742853252341228035196044025351296817215162903349784509889285704777128383853488796269053348185935589550899544008745585293944658502502205201905151640382258464943352441

Factorizations

Primary (ID: 21705) 376345301488672400267043901 (proven prime)
(ID: 142949) 181168260751704628194276746755109775058151846923531047173452015413043029194124785118360641179275160378467069407646780339859009154689874707213318510538351844105723957109502215713316536416156973147482198800549382377757525095565779497554923416661706361004551551843173190907526381695970685418149365182103700929220042806133047036627037953010134349948880300846419806655966519169534806520354167618581857499829530718387483638922476955167063652075167559714806788536763223784231298055808072554728033689347939161306167072374197280934667330973233074975878124347535589523710682219919245084867269050373766955497905025417480682965567224161479560255492641653411075195768607489486665688807350275030237901720729442285660069549553534195650292124578425820530912060206615987782680245366354869751558506659556370744085046712534386056366996955830929639944293668101298448051504972730937867168302735877120309201797247087283518360227219656191220229969342512127580309585825408731549411542770177202760558177352762861975968311679310355125985518599937313288008207100634306729370009277334839745272691319567759845809614314888748497082995791160620774409311694168806341473223602560884417268789644363849803837958977277628238597912906455263552784701664802541 (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.