Factor Info

ID 187697
Size 507 digits / 1683 bits
Status composite
Value 223653741734751209623060520881171375432740361746165537377450154339855734400611984670736737644024205626286719594901376945856291620952379422359859550546067543636015979675246066289109248973836805747206617428596644088683101272652172011441397562984673090557137749351372691813065461614127575411085265328152398810847153030807619631281916103732843902911719677455909457609424215916696866742066570840169782600374565286975101920659914946818288186834376813108627034380178160206281176895101761567950129566147124811710389

Factorizations

Primary (ID: 153152) 500172448577183001921124561 (proven prime)
(ID: 187698) 447153261582017304128535112505597138975329530137507693201159928823538289872485401185782133952011794687095828140892501613648318469510037291099909342930233321043650483440195024073161398041930640618242014380583398212861727388278759802299881103217248473752578128323866068302246415058118548222484393756735683948100075031184829290575116506534982014051835613101499485322376083810373786079612086874240406848513941124482562512709531379252728205810716702275368341701107576569423703970582949 (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.