Factor Info

ID 171020
Size 673 digits / 2235 bits
Status composite
Value 3788040381473642751090788288717883370799154270767497027960443152882078956070195313539418409716006403671140197644115015551765097166793294986978072382224973243584295715493032681661523125857678950535265894045775212009296443991289351799754378381144313300742507645893761739644221498661078660257409716328747776153847724852999691215458461753961671473965634318034964988976064671461687285500530596508295221266436855782457413462659471141235479576310928243306245369907329793188475996900726184367313257933195400899722964045410654718401710031019753601892689707891437973109580188554045250433163171700049452312731241694170483733749798411057818302375947207817095453155490313831380463756699

Factorizations

Primary (ID: 169782) 640701764561255071239913287308005623857357403283753 (proven prime)
(ID: 171021) 5912330183869007503699488577445426281404565197001554610992298194565562784805351579859411925495758276369054454489871846895672779101677276086276631209334461167454539580442298447075169850697747277068992942415870011993186694718170944699947612619341030554061792881404302933775446131735948682456914781989298614703912617783784224183495012105387604798438404478521030581649905856351516467226544949947671989981127204843918770570479388002152887114262195273260703991877250894780105975393576660635240511659017433881477512807928624497752686348375459253963346457545665703412520986656357108340011846357803592357715547314923972874002568483 (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.