Factor Info

ID 153754
Size 990 digits / 3287 bits
Status composite
Value 277397095633671431421816183993986496078692588419603800574485238482092694233817050457120939560701578926774701211430306407856139710224246570442856038260877864238241221791233831174824446891997692481889373957731938930588263385110236855084144239889697973686602056239636504399348215126995851999633936080957800139401010797966165500695123546757477597845878807218993160513500995058345692009701304531109449353707674847442098046211994847670597702287729194027269543337098058302015900740890772298273059214167985668484387451283314055890939161127019998300261183342876285075401389953315288742379916049580829926349722812433551809959833975245271259438749045114714733578201053099376556457586345628923411629029916658274308846415205713121397022415082920309040849950566709073316888743018185034802433169387220629195944347962150222626843854591853087680180284650082633951584476631725649231224794209521753033530663824874508184242952572096784227919351924707269434175967874877978497745957780914082721662373331726130211

Factorizations

Primary (ID: 152792) 1388868132331839430285681 (proven prime)
(ID: 153755) 199728893748851247390136008110371994854879371388743560999173010822779280676300662672865551405588265213836506169530363227323062870996018550976799132134091850085567767800142798623417202292957175121693498676002948960526059308034420630055728378144673910937786906684832728434273147819185586635073041481253301930036117954846382558132945920056742682842006215965433881360082454812857055885542016786069668909308918522170494834435595161788445655899532401088102459730465211947285267810591111443470541259638294247226939889579466356023054528005543573673818247274494839014366482949312277203947091410963811140622230758712712964167889962128083213725143887316785139370453934604115510483041833149666841013084382233173589799667024962878774556963442411109781583786960941974224098395675333032106248613369427194800087786949955589461048469212147272237669138931387215010181093862410027473956474357763244926303437569679525111523418069235784244192973640836583161323798372521701208033251026131 (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.