Factor Info

ID 157027
Size 1282 digits / 4258 bits
Status composite
Value 5138170049772915327122738137779250826034542193932036062513579956003348600580404248249702057072571322382217313035534457252543638067434519971553461429013329351447551120211216389439969768724209197416408073642173043720107563789983348712216378059024591788096998001341626727830198218221104333475121934159259535976344923828527842693639425866018137110595159541464556909852742958832272302912143749595195174260330772662339591868808206489253584586101493295041354556131566103787611833265900059593001421148856518021475520084667130879643251530825192884406881327810616224696667791899957559970897528496725416701992677955868943578466332313803416236864817470298160788572846948244822348248319511397955963468493542769705436100663997521329225401398060767341003453116780313547010964679832893530035991006653030934737794164051898472631824587537997998099026809975327357164769278441448282494915402823802193789224903090116168959677432878489339716041785192269544369601365497474073027678703237824936612056007292284384907737123212881962774216232437085637962529557879954017845433319126756434858839654243222183635300745124095398704711249688565335806206333408205600405588371717409833791961576411601301356961571603757736506120596205045101300890153325526974970282725162417876164349334525064701520423066719178295623219

Factorizations

Primary (ID: 155642) 31847965823302075370491 (proven prime)
(ID: 157028) 161334324404904087782976001982407300809076372452877805678665136465466707675330995292918757203365110874800360782090438792343626230214840194563935491407226822358854455207894009907129986725546646608312414931137576108655109449276101933023169728985373149259755325182644168010844351468023367185829705660606790321274694107748648488985743728509377370823251453129562463656358221538353701549472166401145070986068310853876053915162135752190137338255075048279694336491296344760579752300291014546311923911871533828232779828624198607333476767330521342487952000093000898111543733904079090806925390215213463409152105606738613754795915124265853227256800034788656238079917444849953077759197263615133110160245690818913062693377865752751363603844220063677889476411736421809553939491524216165467881953340004660721579030478500546198023811978614232816571896627926611520163015520620392461315039088324904284470068484342293052349260299325222673051011613301635722342847675659885956337983381936554159694587962175695125231964533607884939779403586211355229399065054692553981448300636249757203319960301353420307959679220478370810637243371664051867407958218128614732500346486239106096529580805569036151680700162127934475594325829523462985176900487604568662888022106706960227587268570347456809 (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.