Factor Info

ID 82176
Size 369 digits / 1225 bits
Status composite
Value 521438463966587418259913641456154926247176467477677172122347542983097730007258260437776340400887554877243378898944237557230687158829155432817699621669283618801378743709506035965831088348331191550837117946692482433985149122812909678681688715641702586002205855549226924880238116687265769233930380817018474060540630499425694331792253460715692703659939851744551349945956173

Factorizations

Primary (ID: 81404) 16278392225722146413629573194121 (proven prime)
(ID: 82177) 32032553137688954100141964809320735483651066363040647293031645706155082171638864683582092166087395392779527790166410141960965724950890950861701262293500980644898961223708491506534458943860549971044388860230740661288999715383129770400800949083805093009746713812806381162315844559217630440719744488851000056935872967442873328249678926760613 (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.