Factor Info

ID 105561
Size 642 digits / 2133 bits
Status composite
Value 672120337359816109466166522619933850761148144979649390148905558933835588621579789036963773561019738714185349340501138090968354033613294473019798817701174152955580381945369562308894382508523707793207081584592342129357671767706227560483903282856694881274867014290762413698123624747345263386913073716930421552257959243078984999379500827187140161563362409845043734986719458989989018117783154634850311674259455616227017353472958329574161103474826795095519252185293760031379363075687749623616721471038552466076103312847566463729126325515320117503209340395867038291682485192585920853887166344041378662234558338789852826714707197842365913831067089831

Factorizations

Primary (ID: 105562) 621617867083002136801 (proven prime)
(ID: 105563) 1081243595062351353992848129333277180005204920474407582379948636453371786270299737982342488147521171219053901515243097443991849212397412587826122882191851274903036105457408774052300972175333118878780212882249459479730976953018132480339587956036030345974583207771910292626260886149336527596351018555893250413386232682907344927688200006470326780283590628003572613053101679016923164273619096215111821512116804846547313992357974422671095845256683238030127765138374713913838622622171312430589844775193732249855228272206849701497287433056354301113175196350246676646344328174676544537260260523421752413253279575321235465617649031 (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.