Factor Info

ID 166301
Size 838 digits / 2784 bits
Status composite
Value 6491212822182263589331667590353734559017753672256849207434821376351002362023901112864499250795904394127360299268303622826277764262961763401409018743767071400934958865614539348724066218908658691528423542146991744126181686949996729685539754903922455665840315689995459261590998874645969350252956137065867366231381759754953385981116316238631782782503237814986035572716921165529275847006236895087517710176637377511041843010770249023938382330230024102320392387446995017724631112855507485864055978681341996188705450004438930346313295672033298575685157042876836976716686588773091296236927292576185543695087703433943784806602143724550394840172720828638945673555403645099148954953395516485257741233505129099124902601343544190864187294286495417432054837030312576001598734725088891009788358087784585118471474028274106760961926616863322406444536807187

Factorizations

Primary (ID: 17622) 1919920225888720033879 (proven prime)
(ID: 166302) 3380980487966638559433748669422983804690212237319024788535136806610188591805367557086208461441777740401253974306621580449476038907747270621891147712197359245538823580747966846607873528094606396165256130592527728626473527367956269280299407007988740637615269710950345711529490813405394442186104227869610837614920213757983577705286806462838143738726439301409829521669287264562116118450082904980402534116799201675008451538717752934155277864406472358724391011910183505877787049723221486142991759953631214153336231401496929631176087391287316229342616896549688648921092257620775075821969358782834917729514906873646335493767530092176155550058740526760567831495541173212628686308270304886612928116211093286506937092473969643437762752275225057438025863627558019779513045938459190257886065642512398718928979008026225849229740453 (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.