Factor Info

ID 147878
Size 540 digits / 1792 bits
Status composite
Value 172942903135162936541879967868399477440745173501686217077163095024919360400733232877271220336899560596375581270439160379685421647934015809866476279421115283365436870298779303219019819181164832723425225331183433741220417945107553155030202424158594939952428529656305043357854733166279005988976653068012379024322281446083325665683058589824953131409566411203341248634957155890727018099916611124626281409447546248401210825530832123003214449179681624088862368865012240641000842010484458567461090576928677365967358125242152710774014030627445179583

Factorizations

Primary (ID: 147363) 5031991889570647692571 (proven prime)
(ID: 147879) 34368676844174962938624316837658573090816857071665924928852092388836401507820162751701672953672624435663477269984511700811776417582700298662853389273761096896215259165782036838482976636722476698256029700693207093667514367078968281619103716506280022784629196174656847996153100108772920624923729243950519725966426931171145396175890345279932874433545462206938595474341783279732606945051427196678892558670485809158718987556541602773610655587476573889113888738756830777634116156295504431879673361225490939988845427073948973 (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.