Factor Info

ID 153755
Size 966 digits / 3207 bits
Status composite
Value 199728893748851247390136008110371994854879371388743560999173010822779280676300662672865551405588265213836506169530363227323062870996018550976799132134091850085567767800142798623417202292957175121693498676002948960526059308034420630055728378144673910937786906684832728434273147819185586635073041481253301930036117954846382558132945920056742682842006215965433881360082454812857055885542016786069668909308918522170494834435595161788445655899532401088102459730465211947285267810591111443470541259638294247226939889579466356023054528005543573673818247274494839014366482949312277203947091410963811140622230758712712964167889962128083213725143887316785139370453934604115510483041833149666841013084382233173589799667024962878774556963442411109781583786960941974224098395675333032106248613369427194800087786949955589461048469212147272237669138931387215010181093862410027473956474357763244926303437569679525111523418069235784244192973640836583161323798372521701208033251026131

Factorizations

Primary (ID: 186484) 31531735525370832882580261506361 (proven prime)
(ID: 187855) 6334218222404753313616702151418688377925158464475177081902893138569824561242560790750354664387221611036702804594026795342350147478651581446879974027005757294724950708512341099011389249350583883665312648607124123792786451263114238206054808588274238907487680309726719707912206314210568006679086092780383401145605333115359642155927209522060004637472571266812588851640429063379998215119534587449790993300660669309489641189176387678301970913853829498802820790612968186597428332746485048813478304035364867489150354004415818259682210408724359742790941290014842754251166226751084430059756231063460677014629451198924043213999931901846074279871161836458344427889188804768341001584380835575631506963175011001105266491442164260053076868635665229301376658695175504471979387129870883337117107014118843854215995118267872282330394907043291785266766057832868746103571850633668144478065858766064942383585797374687770872797284780839779881327211363454571 (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.