Factor Info

ID 145689
Size 660 digits / 2192 bits
Status composite
Value 508543254599984369879038506051397036321792961183426327469352187682328331023337886023224192395754214186997384514026121189713087299320432592012103022690096066299987974685917693238671605267262893217120497896725650250816496736786379183641568163057830852826786778677917643385039471686747980588333751670043317424910963540225033844417692118092527784102459654514390568833793608707042968977816696191441148811709728002324073601636458168972752511188882900796945726598971019361203129393417528311042461602855477098090921171935341844404865944470745419063730873902632197233625772127635910233814009345319381948258609781364232643934009536323773282733839183582740982728766925647

Factorizations

Primary (ID: 4245) 1999827817517387044561568810795329 (proven prime)
(ID: 181598) 254293519744763204905023344572066986028565118556231580320361439894244354739734689666453119546196686841017289942358363056380848410794030557708554655774786074161203141094268872793866872260886192648793438989108064940000528374901694060087129282683907290916402167613533303497559992620698153878740396039525414032543798685435206083692881581300362170979218187524037142273555301455715147670360291621690280542234528559055978121678861586149108094101172808182951517082466454097503081378387845294008897661388741657629409698254107415965211473300687307600994100564921639311583636969845713274005636015082631684685730779340998792574570168678543 (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.