Factor Info

ID 180871
Size 990 digits / 3287 bits
Status composite
Value 166580384528434641970699752118221122525975494036509556263075019233642124961624606890296091088951343917280210099102962932125857814314341152212488155028295768528828347561456601894373671372194229201631236640941032058284190135298434393600751518152101347721858302370631970715484197442281202187538526177293919985524623273689813721912223313634955039263276386316286654810099226510936357099564305688988225123783835849750070425944258265203807820560952720762586692686633642244845852812330485626095501927240771215656328944846576659106654751965983218179327218652623832723100872050339258194176694576194002043719710821628412603648837020419083203190317677456988958337034254245910463748343024518153848044273557247203724224951574458192344948891708849655648644904747242036119080568044079138467207375288548303988678218907647641332105896995892606426586020454503079950988802316142185940112832416639463845489926992691160187785257873228479451926921662924464275651285832626808409663656031430999000489833649165781893

Factorizations

Primary (ID: 143142) 87728430468489003278234446945154202781697 (proven prime)
(ID: 180872) 1898818702658408004750477864726099946449260580481071404584143280885411111031702774244329332949620370091404024208215010234131872039004685588391389540736049738183366107131077082017068479617388708045920389482301238138128378886548136043399997265348641773007051739549329286630377708819000189922137965640112982860198732911584161311630627569091964724669685046294155854444066659484003172424913046984753114897236949379128379124621001564936440384897352319957492321918378333507297426810255491586746069499979476438732241139088544999887454509582973507820766745311916273230449743134431483322688101732325251770518147072299776293193644553120214528005632746188648947138208315622328928412670855847867006184814107279561332817162839697098114184166452089171511159869086723497393051200453356510799035596263513447803881097401403587623814796141813366263100114008655602001508630410395800834898122294753207707020866002980975115284640680450653331386898326679335780267530478469 (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.