Factor Info

ID 151321
Size 847 digits / 2813 bits
Status composite
Value 5031388321984846147419402372334777358268263338587014953912788574805875621988826305048317842419090808455357083242812953926022528820886746433052691061726744732361813352064931317037614286345865561077299244662516882532079194513807291788569776460717761713819759838692311169676487203467486176967782070165130943321966583660725601298589831091072689133582814930288578821950619980902941006484009679431238893304344751003593973011472195427385893775585240205562795136918502295967407502244986560068129784537587984418679248718224463522257836638941182984802006503934002044633678497927908279217877493443112889545774102863722717465523436734986008052130877646748790845530439153243672355955676438201367606416373001606870484049555135512400329641400487781404353414407101063376509968294542070841768046741246090491443566018920166013227298787284541071435315180268323803407

Factorizations

Primary (ID: 149635) 115137932261932697952213846689 (proven prime)
(ID: 185469) 43698789991631117603052514403830148847270499978802174569852533197591868364842437429101401086547817305088648246665835260765807397912012323674740589362626991582073349908578864652816262672110230723342971574809132127214722316726343004332981260300318892798466467037277130438053327843912543557237136870917919052335050067022023935694804829702249789503476055085703382772119765356023545577261741322654563421932678088258959802774366892915022396591581639851789174585826396147528963904913318273303777212635721985139675726771539988584607771506750921046093388270769319354360049591191148899269371058323154665334704003376517273634550080701812114298942292990520914216377617109783076493634897452910218162510936290538113670436598290457980781032111471193192432307338363628179988972042239255023035341922348657787630485438978184473391558063 (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.