Factor Info

ID 58285
Size 480 digits / 1593 bits
Status composite
Value 257175143027899972128196834830793033843083628752165776806370718271965854244501254113708517973769263631124844381054241706187723438279134127091557934217844452566618698070702018446781561017730304462657896860396155387416018893542916489131682815501686553156786048628393278723297672302602083262300524792072260369544895108224583935838389913272980223276452511416360099185535543616577494424467549617127972406019796239657321876277841720562942560626395622016777920872471013265621059718999331

Factorizations

Primary (ID: 57398) 4190722734296061840394251971 (proven prime)
(ID: 82233) 61367730421110538905651333688227445404759102724683117212838937519553708910972626864335917933378915762306239922178533093622196081837630159049467726842270112867548798533726437352673028011843085816042137535079759515665081125436089734904623655925845567180593611920657473156337892513138468763076302410896359127063575074226661219104182830046427074489298124781900577159225360468308904723281216818996638443115830146496620723800381879125997612132157825246192161 (composite)
Secondary (ID: 57829) × (ID: 58286)

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.