Factor Info

ID 205457
Size 560 digits / 1858 bits
Status composite
Value 19138155220040143942773277462013676513259049243671536575163413216725012760404280838873417284634029932259635984678731487692004080692874222757391994624698142459996455334567856449559183659404906005324532406236331199129118093221526214725276313352273555277167334266971254908647153270719407408101623628453837700152202919791538879553475736380734600031777337618917827163784942436524095283585124990000382500210673934852183440521414101662147581017044338194687454090574253352769625130660771564806126456633352239857478962113011366177494882076633771190566801992318795178311

Factorizations

Primary (ID: 205458) 15119968672862747559941 (proven prime)
(ID: 205459) 1265753629132130392799868528202631983959088824565577038981300067008580656883565273172639441290221487215785143378097650697568290475563932676869537181920885453928554144419912207402409721181665547599853671962569252510866738516251844287112498583391652578404387774448774212716404618513477170652742093515481591120253158309257918448944037479317560606413620216782820331941974591018051617507139735819163571345431899241858217721425947972513644341010931917567849419779942988134755223683007058328137021539145670633322967943273653593707880807904772571 (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.