Factor Info

ID 40680
Size 477 digits / 1584 bits
Status composite
Value 518791313566357878750070024601356249695177694950689489128820882010102153913957309368794241066819863836371887809776870381448870685253906426172527554724977783388556851259796392683220518874579639943978025384564625173072294304913665980413862817498446280083523737965795096118236067979557643583882375699708946285853621256832856166534868905852657946119929246898712485384594013221171148848217769073710871152588690200040114836374436631141081072530712707786267966742995211269081549406469

Factorizations

Primary (ID: 19337) 1447745997018511893740076606031686237538345362413531560645573104006506749609 (proven prime)
(ID: 40681) 358344153349245454595369243015867740860075424537825305067512406127867649660618426911432525123494765586310009756183812838013216400885146499701840555308108740782573455314890264192572398828666657042518719296730760436193885495525225566807814930424257019262157840391762001500477764923973143966211087477058141235664200690967283181343144884768025946023477846740399594048652303077736256649851603026318259852541 (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.