Factor Info

ID 131319
Size 810 digits / 2690 bits
Status composite
Value 486964728355774889774209639165963822517072434792025872007597797351866499567402894208002496086496971956204900926830345363823624730276372246245922501828509251264362303277423362040495210447366190468917979254327294456153214125592649283803996914376066506727431451456081306901673893512585107118741354775554014833565246196898085762563418569333211812851162157123882740618612434121223819495613026300419756884369104311683107124413264902478193508200133772550957754307863123906494512450798635645229239638135560171896791312902981613026560476223030786329714851641404850951769757073787970758411110870607000835424272206583890141918043164130823956029030379573875520681146386979762301090928831694994760231400922889626804683975730744309848810263332343858086138254468588439124700572978246113592763595707020693542597501454803830007

Factorizations

Primary (ID: 1464) 128654053254067001789796154414677061029563911266334766544884715737078582075546200311143377241563666249432665857145030497939634521 (proven prime)
(ID: 131320) 3785071018276534549589664175271487510366860050909201006983086980153423199028386429362536790707385218418660614422939848284102220108833466922869183574572860116599531504331675597332100594376366730182959725046222963493151276654779734335299772095194815775391914556051657797516656667237588575345650897503613062922544391194089968147115927132371991518935350394616869706112573773760412212899189968567959728960922875906327892801187050786532936188337919411741452675229790583024811906612186736758819857180851544370192222302857777007203924640382876549354998642658040806532754686424687443740588678799377601264104731577654861801573931317045114090795057716208998221409362353431298261361773721065167 (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.