Factor Info

ID 178571
Size 995 digits / 3305 bits
Status composite
Value 65972859069900112773125227938729627501022402799764905185708698395220798607365193578069869880757303364794516285102714861483624996285858659039789750713770176079812492296390133437731468480070677597463325604347057086910709244278185902614244579330513132844916668353732145870835896578323437481942932208877085050913199932431059872805766103255207623877300506028454040457521735386082173536318298785355439253878980997070664616060855941956995250279557221233147748391445572715942027370201821257760933904062505473503296102693767604519436287397781123344705842349898949410081608808391466232331760304813894594115356734189091458809096873657788963128924667315016922948829166263428577865739136342506816259540003747194984614888113554280196307172337115726298613926126716123127151987373205475151399726802768047817370369492560725276033275557725087386317989394526402951529866369950881909674153610324542076936127270334523057034577819785929470126595066397210086049352131484364378218720418066461537222562105256834915380833

Factorizations

Primary (ID: 28953) 39887372832831886959898996681003213829746870017190150937561596249 (proven prime)
(ID: 178572) 1653978549712777172299942619263707174931211002624234734671170837162799516423390871748006427862692366792288144799795122467444724951189931301782282047278798867588065557549146074831457691430566459205641543669678570260802366439754780356961414118254602588943464171318431833287169299052215916610811653681734223577792358914818485529794905853843959084820943802599416178605429525764552228526694539766156673531312030586733107251434548498373998163911119465049673806991967009883063480435337761364642127032526038271379204426796352892725266413664423424383367686406008814927497684185723644559384685089880997539087918833132517434554702152036413159529278135812975824572091273672794747580437201624943416108204282681008908982632299050034351933337042506615222768109902887584098402616870446826094733399353165920442679288463675216802809272495129999899928396647220921117575326660690087773715697098727368637068128188309754717832371586798935497924376505417 (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.