Factor Info

ID 159782
Size 653 digits / 2167 bits
Status composite
Value 15725768804812643511747704393582814871376970960857501962602434503327233886239697130450284096004406983717143218545507928536040200363191236011267135154049573679576148483621739105447156347830120269516939294814646462604913143144968520533604400563390881500346036971429242596163904573790787914353660376059576570722760886060018753786915232910780015252518804101770861451886607570222970861546050116305414079562849097931405915246291119851098627695741155378365011184929951673252790945984077840408649477439131472150183156794417377897608255315666962590175499176492158067295683402054313154054221335155761666106973605726263727975463299376200187669131743689854595069809

Factorizations

Primary (ID: 158900) 21373531350655016111130353 (proven prime)
(ID: 159783) 735759035173694378294638265047282489402953610273047937983670152050595909780568467786819792239798926107967966938998869520180091261441788699788648403710206044068051565295444398397809403932864629745390976335714633418768179532434959258881774194164840491584513400878150018382142485244061877611771096485838176729184913059456545442765940209001792160351595545057324386961442482649231021611100353964127643320787559565141423943168694602394147858260697781772136841767113190355010321801879864103728322642709128163170344947201806319025044208873858168588130913686317172927253625056171941199444758196077575369073125779403353450563043328538753 (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.