Factor Info

ID 85740
Size 843 digits / 2800 bits
Status composite
Value 642034144563559243009597811953947328763744730272460879277191948378177513262232446327043763882541725173278723064527897576058757228451507642037616650074014301803565416206974498442230046010808391947707470103797310877381989205167104924904884260923491023119821642889963556430323617765987376516823058141361340360389612183596071704899726094775255390318753275293055329348330507422279370058261282207905198621043689979766466133918822562807818306440782399835036180882535266422503495681206653334534608789395821515401109008349634445160017606301794616407050639695119366599226923139299619701927160315176207874565700039853480924033000147228181591698390022619073400720076251620152801494867362366295211180651807693349379560770406223130122745687786267234120559040884371968653536940897000615905596890915229135499187047322308608645318873758902081577979780562907303

Factorizations

Primary (ID: 83627) 1537861910551454633243525748690200935714296300623626089102209700603649882470566978076369406450205047 (proven prime)
(ID: 85741) 417484912109784456471381779013578026618257478311404409981477002376090251634323875554034689703469642139532274329962438198069391715512707488432349648079901929592041478562186205088180736974517865715658346416294203409429553270902145933243513391788937677158448566896036318714170156751856163599620878364212940429278683112799665425781215530364237095226203697545847487227530138641457837572348724616210670282191282196179358772850653799506474333024732850036534405745318801980716945006925215136265895147113525421008996188780677257887657791174711504192939090203868188215821404208017820669909976728180941116546721519679179830386278577666092309736080969791583617985270243769454488858372076711922886821452252752246873369190827382903877370486339521947055380049 (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.