Factor Info

ID 166528
Size 990 digits / 3288 bits
Status composite
Value 343557204453159948935992062866502026296782953363594061904224583166723993285890864527304517657219195421311104137441628971680015603685390896271520456073357248706994972442695003020287859378013824353082568618885346422375368920373616684338562326831054114524239948372586011902496852303383671174630277985463278039737207003267509086689155941819372715868902548171809135373528218462141119997224791600602661375342956522224741624256301346350323030635695158826046105285914127640978660847574037507562634004809739166028382215394744622984602685527178190501236294712930437266049043813953111809750168238356201069412895616497711115887583777673074093124918986792146663264730184865394593897989224353942219672223349128547539007389595282230427171394226730221981762192901725781944084876820972587458489520282814420606573684035954733010717896259754160927440617968173221122585534797250372061408794865678536326366862873475046951196953836172794929487996714089893284015907068991450420240643763001500311604576992000923539

Factorizations

Primary (ID: 7481) 17252803354297421346943980322273 (proven prime)
(ID: 197808) 19913123531172971190725178194581223647773633440744893691649711392634707506604743515986815328542681436963114797033939949820264353521865441173854395005870366730947261850350543213651112743072752276719488537713498240489728776993745608346915610834591995033104900984999764214232816838345103754865280530900323404280765461814072087702601283085108277064782867545130003493564564236444583074019849413213632599445048382150822353572901326781503421909426744152022033582978329402789364573053623657788086902432152665486920691848169728158624757381823371918983593033814026495718104615061604404164705158933177307931542751079239408978427121462489740370193412909704020261864567152108479435119115292630533537752177669373506194989008776053699481936426201262373159074003264390904489656644908939611625603147405800990681678291885545109686232108627842829266401329725766746760464919464783022597756262937806065120825562535714569221307748797338031308705490751334780006891125568166453574643 (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.