Factor Info

ID 21029
Size 447 digits / 1485 bits
Status composite
Value 636851951756342839666936712301002459921428701100723450204486269119098474685656454892626946273965661917574021967480873067861081713355000866491042390594218280228042851832200105911431126500432709420948685888846090858611696157774271869381628379774413711512417893340880381163051286298315628309039210579065545287478638889576250805195051853900412405138689849431282614874323097281875796364152349228276157230741432787605492243544875632787536718602364439943

Factorizations

Primary (ID: 7108) 34785215885504832719 (proven prime)
(ID: 21030) 18308121296487974952036117936979771368094199553160832872489027555614817154011447729500831452423667505511767582371047859108511873355651646300573911645150431158571945614544111386926374305108953525406266061739884181921216458061085094256591281855443555802489421810701561479804997729394428558266807346754072416393387713117120322634471527758773169409414013594070885674910777682180035099829678238643873931174589145092994599412982589897 (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.