Factor Info

ID 155210
Size 449 digits / 1490 bits
Status composite
Value 18850090288632930305137796655610529123588909487820555931770583852228678542014462603781993594790909887240054981901188153805114029264920641109951116417685113537235136012693354229179264110811656785021732651490232254800456669192538404755607534536792874896834550821262136226582364645071640523277439561222504612314325873365961870731253425409105005831779451120356257541190006141690959834885489902033131892244348311045307162112864954947477444250288245233609

Factorizations

Primary (ID: 154947) 514419457217157248455884625163 (proven prime)
(ID: 189163) 36643424007726724017784492380508019755122105385812569427447430256217373619475240013220784622494569236388348486583278250417481801975016085224924762203839016272540702988509117506430890499208915753349917657241263425002533796126582520376837404100071603000849859835472624683444686206615227136840889628994492742064626349966434714612284473011554411669401215953564779228356863031885912715019820805847509585016365688750203413243 (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.