Factor Info

ID 21223
Size 496 digits / 1646 bits
Status composite
Value 1623188123042401534319841608099839065217265381267134696350795038620620488885814590731163837541569134421594293821185671824687726212191175978403291201083087299133117090417526032147999197616466282813657620544105706114534186897346263537060319602320691473840241636660944675513607650145632494995430290203199968460202678723596558396524333771384394424128541163527492141385433574733632196477176388708026903217244732744144318426258590695197547813837436848259632230826544869355126656645397224357833140610009

Factorizations

Primary (ID: 16678) 9387716962151042842693323146443792205381753954656905958476063709922148736350901 (proven prime)
(ID: 29599) 172905524270351919927927230114666790017072061427019984967775571092355344070087542638301729430342957789367882282975864949386717493802571388078776551721584728049109478998047724506740302080940927769527459192262414875318976265206736374854580477595661151065341620154849582122722876319466259333647702100808019636082802225621521860561771632912660104835659229108435429167186377125209928178856099248943177708276773593780741909 (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.