Factor Info

ID 103543
Size 641 digits / 2127 bits
Status composite
Value 18788421669420442892955176767319280775094601201188686941938905850788825043326585851716445660623310266406738563696864731041809155773172155449388412070799347927586239841620670095020613215437086670989432600390798346351874628690516204470428822194113255843750113064805760695027480932021684715577172131628203838140216834993728287228601854158775402829125404249864648922288052806642464342806479928317749017802541390411467370802107784727420621579885555114148850026191026500530736396344733508207260738325121239465933947176142721433441767550101586908286642491553210297744050746041665245754847322763665600896284918714463017292891192696217341549012344197

Factorizations

Primary (ID: 51) 1378497303338047612061 (proven prime)
(ID: 103544) 13629639770730096027767297186062992545410791972575172032317745596958588191797019547142045684724130436340198341430756288899340146282093942551686027860388907224407861364989787800745429170958621356103051962749820557110004491755781484281513266219157405134851667074668201184714917166318515310477746543977339653792765994068513082304939494434870035368019135038397073305556715064946230810941254395269944476438062386740500936616441950216349827155971340862509215406616950132485827043748073328034338251087305947870627886653728778887160276051511130606612248815858328312297008499834774983663411437584066915395362185212941771615085577 (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.