Factor Info

ID 199730
Size 1308 digits / 4345 bits
Status composite
Value 513845361043931944514523522584815166674287875488463048976419305776221035284899410816932915464959355797554277796851866361732529784229597914265305485755108615879075170735475027110608425566946082449455998211123076983902352224406875668898056995078450950177703803304537734489414479417158584119030499842041255242984735720296803365014388887363867582202153383699136654451795588745624439678439762629343323908292021595793455019033428785313174681977766627204612643440108315193601365432628032512752082902003642697039345088460044655636971651146927369107363252534703594218250786329310493100080592365913160232550971417423307807448010333620149728844005596870090170085346599554265067982346844155625893337702385325459923006949809429921960885033251776929792857678130836702260547943334851921745233247099482050772117163271216014722960992729560762891199432844106683934127977354341603399741287291818343542956227287493296088594743139698344801282409956050705202336969517056182107772882008893614386148852504102576197805156173168121302548695058276665745645984802951363347323305210799863443690151373260162906373330909531296566188961183907080766367182934594508486733778802597068192883946056401089041950404989244514489987787437826856058828669399597354551149646763925367652166268193875572913340621149480502214083278366729932757521786550379

Factorizations

Primary (ID: 7528) 105134528469779071670501631159328247729809 (proven prime)
(ID: 199731) 4887503359009564904619647572544239344325275388618290578151905355208605439773404733827753409337145844933453851509854642779652818549430143400657025948781613066905114010590027856050870982262225521728742404237156210854709261621580780962370265080641328342216112042755828843963254178152544523747511703468736600487141223204064104316676393831318355356580068102876533335141367850769347952314157447744247993339457615774638366878266039366177489923984036701446699685384998070799394545432660337240724442872065541888475330531149552913771162891749234364446260965443246189739095087429874558254071981254644405147679333763008873163473053619718799700586323219070440424589697689591277579754684225272474771748488068845614369923801187955609656449165165353862129389692603297445386520127921082247582172868728627414567479234377078001201534053483890356463531540091329862493619893093431759754097502079228799152671227986938536069554215176368664316420528246093500987701525022414528273139114315539894187901102656138165361382195251601037978779229771330738773431075837513588914328128999090816668663989480759358479217537938425259393397595481880110106548691675383618286914870796889130279311615297577060781025697744032853437929606490718141384147172930126448269699822767536048329543180946774328929340731 (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.