Factor Info

ID 173815
Size 849 digits / 2820 bits
Status composite
Value 431290714933855890067621993010627110438170731481196528341707033785021042425077790700083807233798803302302360119986068705027081950227644146986110066410317743767570809408670668887700682299066288211697666698177423898751447648897309147200304329592372762115549434960416926783565752171037119915057471283788280158989488662471920392714108600256789360037000925306130952453863420998273606833532894439199803717048653668463798693991095621979736783315361774027674147609070042815388441274523399862899278457349063431744279774282222141265010136757313068546052318288379565661114496332929832832992747725105117621678191119453767779857785540929476074600470980471447145888448002180288983238576168531229580113146084644534288498688863819505897455858840900319436235984015368629696851138922244555063181203942687257962739843713622148668900637025335936131667824438595173466653

Factorizations

Primary (ID: 171833) 51381389887451669129328538374995418430697431 (proven prime)
(ID: 173816) 8393909076390816715849608700818909878872929079346609511864782114970195895288718310967193833185635778664889532982619203327689274518890765436643466724246679453065155548547666590932342771098520702217829533893830647127077542950995277484307547386698028706906435150659131595130190409441431608252213319622153431322099533520284460354740006717406471193268928005270168792963310565385268104473557743034082309605312925949794941908839311055718466862416595511474698117496587486893310374219685810846590802759654254784017632706436351870944589634388395643580539018348316440892973006883944723395264967314427966999998396771123473100377605079764330715489046609970070715948067815970572159063201606937042671400785882255848068314164208208841476841698650663710992877040104689572150404254276647986771880217196100582158437102923563 (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.