Factor Info

ID 161960
Size 621 digits / 2061 bits
Status composite
Value 249124942063934789260065801243236367430244043771634013684033058544271680040735401233872933666156679718850459493916432656244411715475509954959164611900779680347123701736849676380216860687534336491693294613615804578688357009315570938110426305741233187445128510168278783802428619480906790073620466361042502314865382386281138559708726903935636295592057484766744539169558916846789526672558523084233746532804724674263680071490831648397121828346260706173924629413223628193161167306088729544929722993435305869617552413861832552822588789267421610583134157284980012852438531781130503360069473903652721200458708300752455781674435653

Factorizations

Primary (ID: 161352) 25250715604291014034039 (proven prime)
(ID: 161961) 9866054727637081697723380951830250217930495017085429506427656309653520546543750874730451645749529944239138412382214649347146537306198516377857564875447422190077532141701422550839587141466645567280922178815093743791046313899666359776953722522562674077283140398591669357341515103735179399340806272037602778120969991244018512855178984197174084952220810831672708361217909481804115687236519212214006616275127419485169333232957366771346376108669284600888693683510183474794558162152580659883823805937321097665119080070149236687433486678869450637341279443415157301061680525824942481605897170982823822459427 (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.