Factor Info

ID 20285
Size 308 digits / 1021 bits
Status composite
Value 21559861125956315683000514109217082068402309524993113406693218965537094940465496127395273521588878583822237619266216506048736027706235479929019835489556524293828165535055917509693327558958069252618396404608471169146688090575926742264445134930544809365241668313617232280299565866656431481957924261161530890069

Factorizations

Primary (ID: 19301) 11811806375201836408679635736258669583187541 (proven prime)
(ID: 20286) 1825280608325913876164722589182840619111435087679598627726903789430315908975023362730311266509816250608423084385524499778888685392550722141629820913231051533218042722418712992306705249038606944779273049551929004803147961844349730068491752655292971302859434366334209 (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.