Factor Info

ID 203956
Size 639 digits / 2123 bits
Status composite
Value 880057376855835261196380761844079512496735050373149730625201784766205741533564273333677466254510244503284988543530787075790318682254735006159030621867988453407722841178464952866295719454128072061672580654712522766003796709369489461064118975434159508792349423627606690348025196951083742892118924338255202425594577088648790015431616497492701758429033783511648334756019389099641520098353572743360331145457273911740593985870556932423995417189855549480536800829567577332109792664136884157517360174762083290461823146889666555580324695260444443484310948808476045000082303753873535427320951243414128033280109166802412330545407470849927209665675163

Factorizations

Primary (ID: 203957) 54753417000641932777 (proven prime)
(ID: 203958) 16073104201798353676832808010398365959258984374192762105124445801341728866158672562785317457970664347992442173866319690990397827705392104538157695807878704287512321031142592656912332091838150128172141254826015227437897950781336496943678351949790677935779550145182338045925381159643609264231407181636978171478660560767250585391189705631662398702150190933038861607838895819393387133014852484651835309342234684521477065649619022745735196196552620452517948594073238094871286538929871166433674621049515235819110342959170843775012649126510541075827348142598983874090596867008324617090012806686531992210061693803396143479061219 (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.