Factor Info

ID 21222
Size 523 digits / 1737 bits
Status composite
Value 5505420325839472816673944661412917116472796761914778512687326695599730706907981917158739163584865755850053825375733343957893840856087956318959324113556136194594682313531856455255283976758077751409530582848854887772982266008787651845929027491569167701372601303974634884132059030407616158156754617342830346720363468515518282962248067552231678752573432081844159341792912875620432171572652553084235886847657928975062485955394063351592233823115031055704437565223677899793371033915463533616596115670800796137459097512535206062379

Factorizations

Primary (ID: 16676) 3391732755856086401282016931 (proven prime)
(ID: 21223) 1623188123042401534319841608099839065217265381267134696350795038620620488885814590731163837541569134421594293821185671824687726212191175978403291201083087299133117090417526032147999197616466282813657620544105706114534186897346263537060319602320691473840241636660944675513607650145632494995430290203199968460202678723596558396524333771384394424128541163527492141385433574733632196477176388708026903217244732744144318426258590695197547813837436848259632230826544869355126656645397224357833140610009 (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.