Factor Info

ID 180516
Size 476 digits / 1581 bits
Status composite
Value 80127898376157073633885157636844503567941722635508988916255084535394077345219023880456159011667629928894842300210366249186737684175133000581024123840147467602812580595780539173521239213654244973466889743655836654673452321749659241259207419334981957441895548915709128119740706263713669083490438621199135784201967232164504103411624377775760495530250967990151891394109531535721857898254099579598420328648223608107450471857667942503100600601225332383672444665198237988415177200301

Factorizations

Primary (ID: 143173) 422650798214504680302051251283521 (proven prime)
(ID: 180515) 189584164314035870050271003554557005187897589798750128414742541461747326749789112347590638197749296839360503552245805065083831830855381168551788083364268804229464164301697336052855698514130900025895063569181867015388895169608568704599752130454033340528885691364167683071958242197344447036084563153322890971739677532157836068557673529517070605367772872428303637350101372712405149519735156827452971955713035086473583298516679298614459018405923181 (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.