Factor Info

ID 164866
Size 726 digits / 2412 bits
Status composite
Value 639769546963041226033223936136492446543842210174879162287170907836743029853833080970337380937238825012253502586257503127611067272036882088393651837763136742876565369303868486062979209945428830746512526271201440239603007114089891198568153755606976668073854669383790590167312881110126566450355611791597534855780099810789017187688699039076375264260931460333357971565897153841018418186567250685820732828688314375402222725164019496787023248829154121019680508887723712141994984763034171358477819128550093524077448909171624678433491360302992727358816051713250093219628309971224389943374693890514237622247157534344957335098466402605982260063900527585903083682229103699888172691716783728665086894909587341375419412272981359393422332649

Factorizations

Primary (ID: 163572) 301682835425375850779941 (proven prime)
(ID: 164867) 2120669364768332579385689699816146756740898863659812666486611952474975933043707895734412080301019884664455042522241030925232834402064959399658936119241854054868484809089748937078765581948620075252952653679564003228886707948453994768882530757418994232630425493254854321825612874868066668139795834713264934753563353356510650492208722023146920177633996814684247837164005830345206436199750635917387819665706966978787614276261851530755512374836580137676929960525813328534181478551850978180277985151437895301842358568202268905572427641182521274192617795669234577256067010406726429480087698954845264794918349906087689390036336040396052813016243558973746679820363211771993474437155662478597308792107863070831989 (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.