Factor Info

ID 25688
Size 642 digits / 2131 bits
Status composite
Value 274437754994459438956314929333077209790145816063654023784901744488435752662976495988211840023662478051289847676882949004292050728941918860869411979115320116999506845435144022310602525984066129467547414900721723966500395998458402046164202817834852448810518104143646648605190324568707516342929380565613286479764421190035858023940645609796694530777789280190856832260101282653984782360306212182450164419977442196648592065782615114620516249934925754135807124671016963165922493843017411353403280377295903027803173430183259989491058552134608467535051871618390347877470254875976972860679362076873361048490170765473081277190663713226783985098569281981

Factorizations

Primary (ID: 2946) 2048568835297380486760231 (proven prime)
(ID: 25689) 133965600894548746443839748070390656775323219649901611691446290480049122000492802540312868762921290257006913349827833729387833226173436671292895862173437078137192103018745580345710086193155840295952426076551120647573622639746830095533570320095336453435702923436801778813576236071256282073032991955817981220653117521206311340136567708224154177816934869294626053921674883300551645867182227957649245274257581819058096581437176167484474301581479205649492801705385374639438854971237606056453497162135770807732666941761548256366236535928577113204055347478608520433315377267645820297765934423821991387708952868138190783344251 (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.