Factor Info

ID 199629
Size 1170 digits / 3886 bits
Status composite
Value 428329920434626908623544884317792121328861668218959533210579632393621555759361418078267825944698775414068221821977383335189244035957259762871670971685296338671454286155743012921985226996459966907324198683886845606784511355523531524477433053937190458878464568540950338062358334454464696466304626050681654444439612006936868444528096072639761010042622724013830572801982432366590646095959054957808588261848249027032742196156464567335689272940825465080588652755156310526459723767719645204580137740530808221809542644761825630095458238943123610490619051897240319347748688831823307532999669259313655639491397223202036014095949789846782627047240524109378212858249767948113550411233433502495487830947780520392039680029930241339720066977328805595163824820848865511957612365180120601009038143778215993357932682555060193413496308999179768587714454138472547892015399744508771243950053530987551830145849450236492548115469828972376675331265316945412960394816670358025210841513325774046635810400374347860692982118106004468638955316707455636225729194845245382258160675677072887085859933133974847252464604398730197192202457848295946185115625602842019149789709531981426046004080461801574919

Factorizations

Primary (ID: 31000) 1262399687013820450821465131661532266367566719536571507703805450077992967534028821105944824066406612254496684743187 (proven prime)
(ID: 199630) 339298183325625028269735798071168545468859027996179948480558910471020941481044801418181719551810545923830683711211937636486961805266738605805645842799939172019361567593755013942120790915033076975381498398115316599933362113003737356018749450682659602497636701241738646190121943402461183211302747655873418541563731342549605102025541356920589041821487461309999834574207697064558380489877059350421955272014025703972491952983558892558231903437411415004298002108096216015836710492629964283892513761206466174535934323789348387867283008784331765847247092249655811212831562741379074860555728594399788386731646550477580084496123998778812007181383865004722454077981786936309159454880233419025825176895721512415828170585247041106348220953835126925241249159359676128998646213253695630864997197199497454770475999338766671017121052498965929141895832905472411323651202403900329413697241379137742844581282437437801209238612968468431938890412841666094759956518266396569619864001629813786077202715369668203169656164087530048447247054541145405922315183098224688662862275471037 (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.