Factor Info

ID 155306
Size 388 digits / 1289 bits
Status composite
Value 8168164495277573209892830381526248684798927125669308892775569508753648542786987470251232461678962747560638033197130494643715989696193807195290773449034091409598979003958411086861497543811607534058430832927450382998507468820454742773147356604162845400071277766718396428593206748245394255994785426498882860087461023320379065495396699333346808138540568577889316265359416783747338338221214197

Factorizations

Primary (ID: 154700) 261116663697161542351918133573442849307 (proven prime)
(ID: 189270) 31281666897945911892960718419729269596589731008838324471724102749938889285402874094820106709837389982631872463546202610772693611574021023182949040899849438696383785257655375034858392270490535458843058646813416641633809825301736188274390217441315307158736192436017704283970783625634292386709452476130652520326839342794454984280778107516021270862036271 (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.