Factor Info

ID 154297
Size 1256 digits / 4170 bits
Status composite
Value 17780194200372075711291391319591474076270046400401300741256712247328452518092911789571929236430601624954107569199655878217454972166815928899274564555072564131217765456825944713694820058735717871147019192625645597570726384578106677283952667275050950454111926146160815232027932516772203699651787412704731409789989552002442447071977126984220750703333362354431302979257805099799789044768469155772018957112693546213680420589527437718345347894051922882457396377647359463153249271316505195411937309425460909523910596110957789921974170751855885490866504254424397768992149145127876613959461686978090478047803615641938642851295768539933915819099273667727838895623106704262660706090670029948163497275300887501364063028849866989936250782698250882075234176176860990500848751271500873794598701484614179158633064275529789247515427111506320238908392234527027738604747955836380935206650821164142301188052276964838968846271074070862095938467245710480361814483071972745424553771120527155651960017154558772650995694282884291168269967093093472021968519670258057161359491718962591500997851872122799351576534669887021070401224704564902737079257378078951113610443284116216313667541509290233495888974381912396267323952938040083960300217595192243651269963531009686886414602418671441

Factorizations

Primary (ID: 152112) 170724135458234696064115616824839420280829 (proven prime)
(ID: 188445) 104145756267260494491864401424775256030203562881703492517877619058855111295984281644256948000442342964866861625231280976762725717736483307120392983065296146709856522493839088875295471622101656878688172764867652106172610168556890190654482562573892567062519968791336762192964280211897637874000098339856200772271251790486603128945539407148337780933722529279036482733171105329267700363671725582604528722470671180262366387569584504033441852519659347443666767449432647966863429237703893071276574119624075521064810182441357605814788549858654006177110357964660159035377046258254343528785717283448046937146575951613723411994312797226633660275733953207615097336969843205547469707892863819309949408751706199775834543638807123741280004781755254629478603569447060186450700356910117954564234210556594284888822468252612744121415491706770633107464639990404370841631608612528186761174875149440363613388366944943416739329286469164757043041930202189424109995998152801236187231877900399228937325620775268292457228895010749914590501299307017788551781781995367652032536825619668638994658886390757251118427211832303069672863828982439453032447613075812937028475824921937561279060705682230031516632006851108291885558475721147793343676070629 (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.