Factor Info

ID 31638
Size 424 digits / 1406 bits
Status composite
Value 1393302518635314361261320223481146853008260280624562935543937454157843501877368509335727467276174514403604346301376887185307199094202234137932289581940677065029464309674281954341804123122289113331807376136416958636976044298290749428431204174882989112163569192194020115245444638037194558151886315029909405468467978987937278511806817959664223523031746456555138439590894532578752616736331347403060279705288244528251230078455241

Factorizations

Primary (ID: 31639) 490473249828784216106792922992242097549457241 (proven prime)
(ID: 31640) 2840730904532902314062143634233358344247279535377446856584909506956111600873142811701091758887085727161207413990883481915729463027314725114980141404588262472203230673670487481553864090441528494588621976704768734038825125347556373963497101563583539089299453721794532781812757498932706018623775371472598426859904320570647234446090119775467054587712289608133604181487577149176278001 (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.