Factor Info

ID 145203
Size 1251 digits / 4154 bits
Status composite
Value 157509498970269737099236976078143028896533623344750838075072734032168059960810802278847983198287363925678956011438635343483435423318750780634041108199262189806667528937643561791763003453611146274916767966147252818338928813738559466206425453367921028483133291406974366643155951418202289748422344308904142908832148681284267696249425309802386356038648510310699160704966941896607991460140090304103300373175540754803231848381571071298700761293774185415325998636110847088743139588505731131208631445491659717300298919420554688549508518078414450723319627536327131847306200532600595668951032864004216060992914457141186443174340692254482191121777747778985990824332652486804584337747452109249725235493109307343173265505462383949285507596755243333367630569969219782933409084490274842116511687188172700918602971980931607226975739214252324046161647788705424540224057534386144890292736126174481366935778351012210994631888737212913530324152988973050723411456643170961516007239144000350590749242384210373197265335963664602347610250611363578593209284392343464130979647932400822483657937467443673257551130126271435949120301782057742280022538140950758296934487702186409029750032557870409881718077580871605340229822762073344445172693311139741451701038670567570267125097971

Factorizations

Primary (ID: 145204) 257237501796658052371483 (proven prime)
(ID: 145205) 612311571486098339583075751754737886572101426877561928557647786965990881663839687967127887193163420112703820383546886307379913551076083813226568579015449958888248223760559892395052190472007358167280798633719941975876081173848382393631345103145586054103669200994713872569137536469760881018443591825092849157308809070306679026377367249398835908797878604145294391917355973542505530694643724991682458959355781902840568184222046327802980046650119749316558773866825770948249145403979555352005571492588048731041302815669292126745077041832515030020697638204191895089880718531393444720552900197709614670102105167944622166450391769085492917557942895201319971277561259631637974273580804781231942681685302127972851952027999014640261963360884573657017132149514821628766574117400612828669280668528815928182370183193089521160114514804372322043598193420729839033944820762417215802331085165303123599392824937847590242279494215417243005917206679140381998808755324819477438200016342469682318264799690046082586485154187634675350443181011706394117594833293394414169078823450594986149718150887124554918284105386727848574683723742991147448426768125945751235854735508502227978891745910879772188406503827917969879066491168078587453509525070856075305737 (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.