Factor Info

ID 131318
Size 879 digits / 2919 bits
Status composite
Value 311917426967458550511095154897786780420598031598075208422785378471860557978406085685353920748730225091753610467418904480934965525174073044332880215668036159253158091684106068684353165113944874862080772656502944827783840825067682081604774805133939506933983198461240529438313163720185168167777967619604629070550123394701215355244363722166018270620421454686633365782570671678440126154412857080024116383530938775746864082389362115926337079883598823443795975261883220516683934870835746137011839045692482185100874034256023347812027107824183634113886478006459805120202494358741399886377458041372126796164061757960701385098125231237953983083732923103560696817000784477259174040487114110767238134275678421739174286883924667294920821928929085285583186360516229342196249689677358073497425702900462804795626700762277728096021306407678311577757805967430258975296495893317501480101797279604747

Factorizations

Primary (ID: 9174) 640533921256762287061021544191816475281134371932094984116800532167821 (proven prime)
(ID: 131319) 486964728355774889774209639165963822517072434792025872007597797351866499567402894208002496086496971956204900926830345363823624730276372246245922501828509251264362303277423362040495210447366190468917979254327294456153214125592649283803996914376066506727431451456081306901673893512585107118741354775554014833565246196898085762563418569333211812851162157123882740618612434121223819495613026300419756884369104311683107124413264902478193508200133772550957754307863123906494512450798635645229239638135560171896791312902981613026560476223030786329714851641404850951769757073787970758411110870607000835424272206583890141918043164130823956029030379573875520681146386979762301090928831694994760231400922889626804683975730744309848810263332343858086138254468588439124700572978246113592763595707020693542597501454803830007 (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.