Factor Info

ID 51981
Size 849 digits / 2819 bits
Status composite
Value 287772390175199289948032018587043002439235127318455381071785514146289072186896140175251975313562528527600732536158598475645236619720826599898617732480114487829614429998892519236737537429066061065520864389916971092394405089942669599227721816211773032828146604243111810116908235424297036441790809372359310117629272713263505709245699785704908219503211548050138335801467395576561229385839867334696783085457757417149333771408250076217756704761493709282376348666952530950076509492009780497516930281033875303357694806655414379308994447609630055448338208914868446607194708739410818467373707113405582003852926478767338009488202258347911510474542650012462606394998093613138042456011320551301601996725760873257026939038030344028927581927160339646208860538209573787778952404802106454092368497650724797166078836803470321638339112778718368925941046810668851914943

Factorizations

Primary (ID: 73723) 972094766348713114051308982307 (proven prime)
(ID: 75354) 296033267678316670736134275578377923139462055760532359735559539235929685535367994409890338112493042759546411371294085161472934725056769703831088929460416445573273768174981234184687300457703698388004938775904361347040559267606864553820192060986662869800601105931950969115660122921009805943174675249511244435320441616717952449190925262790691738946567479794988200186569552064705335896361434494080718664053535924825027096368377546270139553570637775521485285728043608003268417550160638699482535765093636531374916787268067998159828017617405393927273124608098145180563551064936909927393322141605691782433257249733230832491992221912523600043093946881361452456495276726339304649970389785469676218457105208784292912733782922297360728772676555048178691137169310903266121338584171152932398584202198514114487843232078321917983981749 (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.