Factor Info

ID 21166
Size 351 digits / 1165 bits
Status composite
Value 388934994115374553710991623882589564999215495863262806483252150638818916551826581542005579046110066155613812188693296421404430734759039870312720412443705467921350946436529326181345352469655907023779197379893297981107007847754865960878180784919047036296190644712558894562593891251269767742599515933477175905325943032860857470889442165724393474333939457

Factorizations

Primary (ID: 16636) 7913584118074610352277451069398306909 (proven prime)
(ID: 29501) 49147767726010241349317222169671630459436398695142284931251611349997422763327979415476713190029115178155143199253532460801274334229336184174335481377012338153584602721415262644626382615998100080432561337404489440538873009024516873917982137778649706067564455291982724790158496728329521081073241560045441366293513973 (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.