Factor Info

ID 128254
Size 777 digits / 2580 bits
Status composite
Value 399564715629316319674210851112767541770301847810140961518696880000698505656084165579006071352433625064588901591086666729331925506996008185149536218862682291388449831802520891917089741707882729068724052837811403564925447281676117283912052881071816182242278087523006273102861379361306622796258328642075288329321679124144522358241572839860043155226057409970677841420118111186607212684368018540289216578491658575320699915200868308930450019441270139668887172272500437687912820172535770249665755398478239832828872737538362670798682624868462895820225230106679469165985765311290582647594481056352202329375473548457428125360177278557597669651437880424209245074231069425295399288722214095820745020600329402340275922967389944172788780198393148390743463700798931195085737543300499675769343

Factorizations

Primary (ID: 115164) 1074177458871585794454194737961816133408257 (proven prime)
(ID: 128255) 371972724180095554895186800611165086361899654240831643419046452310073311195597991338488463404428445093359872093092256216571503557421013770544212120156956686897876902640708634035206707304459193993457485054388864511913089456455193087093213919727788597288785167669248524609691917278069609945782213294107508200897940855918485424950848702054484297297484214787804674800660635159052976820834763677195507006997002410089926148352933316789701040419276172460979614712133857928327878572312224081947289871038850514479837351757572805771452152527176806594907660776435593534442263956337343058593057063558708948563170370279051967853380252555018586621953519026967366922904561657466155194971452422341198924387774712402384104912852413868407398581230796799 (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.