Factor Info

ID 166307
Size 855 digits / 2839 bits
Status composite
Value 399583686091687071031951771396296164292884009303775430992294923594364658250117255552725607168699270726452309722391291835397680225999118799215804314682082423878428118918454508046963104722311457836307514442654185914323558177043193866145767913545037521818363747232129331733130322779052390532528607331846635013123962298981107798657453070281764608765645797342813740700333673320536674984807028784321808659663298363389435453349859765447657525198212181583411321415483744457217002049161145122912036290145353973811039072321513509593834535178295144995367469256418472367112108851058537783875032806996697028934238101122152732082218493977656693211256283058961178410389965677976027284891856851135801659935399712979802383629547999557305357886381896767604886067150722914875488383852340857255263000362544535642813297862229989046665065081063974832919233584299106070333907119

Factorizations

Primary (ID: 17330) 57719839964417489988525624247 (proven prime)
(ID: 166308) 6922813478658605965364619303639862403717740645581258653880046371892890000522564795491172046994657812965446535548249977315102905355008488958504809456130381758056117236042432720029853711196559025377419251138383642261856177020584270779748289821773705201068731487481364726337839817886529721602045669371290242780453726473455536978653630896509581944587252198312231761495513489182891330194483393724669230256403613090329366016466555105618926925519106493353348737251341686316330061344570352346646384363861075170530537537828828306458405580321321991281214475270220261373252572824320799901606236556855550402867916445874935397652953363040753030127213958644162791957470031395449996859699331362736312395081800760359323599680823894044547891749514322980602482451253095120444927904803447618590879992187096853684545538218978449752767609780978377 (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.