Factor Info

ID 178284
Size 738 digits / 2450 bits
Status composite
Value 266364077630782255393142546951605671315552536424790678068624290863955601298864936642158561648222996467753809723244384013109682328692351714413088743280566181071207770304466900764993889875904401130429127904334317342844282934518288242458507915699134214818008160837943046724662667423333586031367940958912998088095631569162287544021534462534466620884217752347820716441341632115180036541678466688227859176165856805385191374461765500388996091736193237036759031915034859561107258009215499597001913877546763944175781997280325093009199671318644014417311029781129248280881472970006587752506736778305702335119544745585930391378113793738822781440969673234442707212981630378797276601080058641420585583718359552769459394577107247721886264819687406146617

Factorizations

Primary (ID: 16543) 1831890377493675613531600527379231981056615892510222098271634062217297884703623956697 (proven prime)
(ID: 178285) 145403939506037307137176937758084634171465094324633933589117426568552397357129973232913540181420830119831275624270796090918657932234111475025300694648321282376454200377091487767039604642755337494221931813001608787204052872367443239888532288356332964861526803143056705556780777669897591786235649000465485883942567527238303446725391034725442775448076611282556533323293335403915806884054651828375592350498968914913677719053603721999623673931580071645169715887888478784916575850601921934894402101260628833448293489322549255650720307874262755302990240936664241970223278987942235808595558767461914638637306423107342892876829842661383488526539495255239509707361 (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.