Factor Info

ID 221665
Size 1113 digits / 3697 bits
Status composite
Value 666209986916686523631305992825289328569216192214776236941424490770304180160066471809926707677711403791505066576774228114998388002610949520456665825018282831801839506674932936352082539234576311481035042917393139329867705445693265055668085309169934927729400218379131304996776364357833178187740504103168947930126070882282503252325900986286144553220938869700880419564756630437476383568443646093679646110832682871052666406754238451819441229122817465540341802416063265997268080037167426105897062931998969547673997815544247962262916715925094226897021762569421566274975917347136103018690943291362336095857717202464905435821726149330440271985527813285010400259249670460330054071768429670514113310968918611845512356807498728101974501485217088198605488764587323151469170917014362428150735113295415945268240199400242277355352207967421912510801440195940056059709791667595520322701061153104346689644664303619391749451770038995587399549515415051768257990513808583364826763944987064604092246453525301715011645140800338767732373491424941774295998306161338132542875291128520008469193309337285623544357399957654033453313571882278213

Factorizations

Primary (ID: 221666) 397768042942148232503 (proven prime)
(ID: 221667) 1674870565239401965127462100959096324396228516228424458839576999165112505374383541376381277701389633345456186481229307042925870312816260024187229035940069228703050557834647204372244406454091227040267522920523143993611193098333220932506209064131423106849247993027703807062019213252299557840948523167255558532497940006923705020309803367835960015940175456927895698147714169838888835229971988821216409619765199943667764505724818776903056966963716164854582649366658910412766129696522967134734996285255200417087655177426459107114093906749157840822568144513417619629651469197624513696431801592557803141835618894500973709191355656981946816012776283315954998383618513107485015093601925517482327252412827987940112408241062319588054954747364539436137856035733011056618379965304500967565999338158635526639955492830230034736588244295002978051656576044011374620909497627459587280428976842705542326260891900537945892866867975152261079009354193314267239588809271892615603221182959872295153450232866824039508918399708694187507331201290323921110021983443281526981781182240889938911264069370064014418384089673571 (proven prime)

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.