Factor Info

ID 178217
Size 851 digits / 2825 bits
Status composite
Value 16353006842933120223252847277436927756617946125688172486534107781600636640884641170184852215343172563646510076019445608258325166918165112938238976566618237433827410140811865733439955921488146977604313537694467806133264705900194817174154122334383824146785574049923423744305629025283323973836164664848974311663671188034710662167923621642191557204852325475736088584533187537274046741864300618434964106829825569736365433806288418338006536212055811173436518621215092276240474147487804656477729914586116373728494452757922335323374626662160018269242360071526819894963293079607125299346281487074249332154302980331906462855569582490869370888118582357246034678222835151384559017287795402839027372796161413060621658487298040947343410592130011301811192622332896457322405124490636477416440262123857165606320291447920406722501136504031318440568000710759359148061649

Factorizations

Primary (ID: 16797) 992546266896549276402616168146585251329055676315885009163311765166575856031713035384955676431972387484913025322167258482406322245836062321 (proven prime)
(ID: 178218) 16475813156866726713693848356554165020933137962996429334227860032956784150363973853319925134399239951354968747054097153145302737702283708207175601741223977904620617987304506272346016300545507360295264370602863256800787776181726557111471121708995830418091269508699834349185694584433385118615162464306247895207711280206338951065124003279322987655192904262249360191184463231697958657285900855583678310827518219708534384571635892650156055370289076583043653772435679758990472473021664426585245659033511847087717981314874560722669528358151950857916151789263969111495055686681635415832333119841542871431762156070022838462638340776947324270514150547041823690570019346924186836016745802517116199494171107417767375028681569 (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.