Factor Info

ID 131427
Size 771 digits / 2559 bits
Status composite
Value 164037758649201300413573146059611921144455053399205005942112732343963412506501877684719101000133383681577945606070369487901305114627053551049412750963289417073968949184244926627745347578584740640210546011021742637531385575085813680495478209347403663325724802239049083983569637607550988652588463049772497520848503100760003463588392099072203358682341669646356698309016070321397240216395334886349007117396540006732080351533120585973391894038963165085932703925168719405701511193210358394431383466217985509593012866529224913988357796980295573703929988498504205845577699024800416082754143093679087421899794959797887338114095957234388086392659608303915201414899641850825017764105915759641523015131467548659953578373221335722067009721604695186008397294013676602253828020744229637

Factorizations

Primary (ID: 116691) 51779094945301591086890829977801 (proven prime)
(ID: 131428) 3168030627466307302666820383881319798402730105413571459442713381967323866473737186512857285669117245591501279704675592669597575818395887354411757760866240753492954830347038337368289202815579572976783557231075652089640153528708998199836773782224415761569427544646694252193291980553835909948787850633748836400160637935459412586440282653272966704182299553593968202481300056315153697287851853592150503051820582469602749311775484502645098640646715865978440855828019568027859826929188500471422936384220125158653153690528140569988212578771259652367241600807789414334472248194387050087224649540287335877013098915512881467987582170597861922104668794542064397153530132703349526376569940342728371710981539306829812880667303911477932805225091007251037 (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.