Factor Info

ID 172901
Size 490 digits / 1627 bits
Status composite
Value 5258449474628631459787700971743130717145682134660850608089282331155330235449156335847490155225355258217849521925628683772931730468147553722721796274873443497001131648471649742467898229337741721537551929630831018311882836339771338148854649954516894150857069100973532749250806281288851921027427408976110172980943446638184064478048186031234383489556375080931436292637500553248774342325883457353000038617216767368042906534830791181398120893720918565401469639900954779447871060063729152151730697

Factorizations

Primary (ID: 171892) 2712771187574317194853094209947086885372358519118652184618995014870926314000557777 (proven prime)
(ID: 172902) 1938405088757444137039768164787631593671697822844208102394898993148545155276439748904251002141516144259928150372104974343127517483336372202390661122917482370128822612418772529727530031776756090377173026792833325150098709370769421265172234702015483095684006453494398795981597079558681996029416171612433200480039483504158679068397597724722605718433924829099399852843563040783713707856762000117563951279754091961 (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.