Factor Info

ID 138537
Size 1087 digits / 3609 bits
Status composite
Value 1656524907662005167973796180519016294927835554397087874999079296262979514475279604047546858670762397193756236198634929950275935975438213456228108831396824711242496561202445018877982983982146190840548896780408127376975450681602460429823117969037997980731432712278172537307759969568732462607873423565881505962881866638146821518103186145836188456768645799297814968872465154076343221893344566413997776550991023037278734861577889617818865333136240853243507378179960739016968765666739960721592522867154439066799221345545124090933496924941642286228593608973625575378838205744313814648260078318282849281520845070229773753936730740292979079990308598036555276767688404601540400516470980972117316500987630072677608209479560172964943408766408263588393960553616605053571736898997139939332990349846515181741703271654184284054002229990630383217441217219834541650464995017077517819195429631112006649654506343098850774322251357470704658023391756552272780875750118946008620462553721704084370031887977529013787481914969711998434787204902861988256442574168536891705300658827705204689292079791957969253710161

Factorizations

Primary (ID: 136726) 133159684625386787873 (proven prime)
(ID: 138538) 12440138412179672682951306649117421305746447652965769584812748831662094350288401244545028457533524086956302924563545124107718822284234347855828926544036011981450392619482650010531882419019127625400910592310317049136016403314694349123026974066743235665804138172859227105347176266551114035226546235314169009292879599445656252310221396222505258781620914758323439095940100661847594905438464595870603179551262983101504659018566098437524621648687552840852049790404589336273730895732993424417683983866681802116751304792575307258338304401454030944125395537579519344656709619994203196838368016609801553828102656910092594924128503081224722598015448261263511891661426669171600036439757549643686385275751074255277750009096615739410393621702852506026373052434510033586046241293500919863592928363988550733937687638312487757124266691253540865069817015909109338132621035072211620876124393996682222908329568725450307114317612572332727397446711415068624729680046772923787068489491896862912190441436593709469168028000794407392167218372588197717066969688076107537575164392449665876311857 (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.