Factor Info

ID 150783
Size 721 digits / 2393 bits
Status composite
Value 1280775618199455356663362168080924045421772450773472882595338345214200145852449565495120305339006146929545735095170921347290688070654550030176983710235931481149019230201234625990260512107846071472342852596940793864318442625290953593469783815041454660339265977913240889843157061216823248900076606930507928597359829779843859238599564406530185973981638996714556963000426154307931814814147246972058214230140227021344144905299443883899888527478851333007585879773367449975047640177612222337306291227170284492841096910895530431643061514729881525919063546771995146988205597302832469257261822750539572916378940144553837231388104775198219008367511675398819247766402263033671848708326711777001314023973675958564665625670010228380627

Factorizations

Primary (ID: 183841) 556182589916521166194657822607927744529469 (proven prime)
(ID: 184850) 2302797033599505816100159266252309226362374675007910477283594774753759843984380531925798786136587390277086988661900360565369036723024901903612665057086320268959108189971847011307769516186583130225174293427012533235551533682935784988932049043806860478390509825603286342646869090277519831901453971353733657359277773622013969461149625968341681253884482326929285462969098544021684450121667468069779912375202734327529497848796525677059441674536838344564186533644347954572762848610106788130250067205872114955121268044296014717100778289694389837271265188377820587174252727206441176796331294549698323368561212503731010917611839515904588019814297574188135155243462225947848738681754626383 (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.