Factor Info

ID 153142
Size 577 digits / 1915 bits
Status composite
Value 2143460814738226503866054348992537218139448063246370203776342393461990180884610186260745414535986991277657128283630571064585608912236618461776291694749096279910510668071398069663718959852328644010703437521249296951298005367205895444390695088847860486172992923721938786625788404693822403458902497799744030933908113635698989578147046368715436268114952515019096460939405972174581829578492785727330136094263484860575925081797381143027936823232207936629521293846210230948579715023476500273170702704407137360734439111956290572172758204312136292533190427574190728967255472130873867483

Factorizations

Primary (ID: 152117) 768483007886911561239570478002112053923 (proven prime)
(ID: 187228) 2789210422013200786172549945625067716100370567073048905633152736518215774717795506527798475406402171711878677258248587088235759384747020088985921652998227721481359175399508212809893264022997366612057401545581149709690245140222525991167019369003897771883934001673768995519817181762489225894023983455183640223247571770990317300148751828706101464632866437399162695941353135078469706375069910854358662276350664139283598429696361835458723432830896992749497751991333927714699160586821804516650810757213044405522200729895743866355268367164143721 (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.