Factor Info

ID 153023
Size 642 digits / 2132 bits
Status composite
Value 520180308492294072234398987990327388028577548003007319845970236558023634837372116522486079808126246704954454043433991039647150068296234371529395242910855372172382454424605810152893485221869932967331470924257022718024854973926754228300310997399591393056589658710255890300221933385941952241438647819352338935580215369796154796710940395769393626771309186763545322493914261508536275045885311501788973832926863114799618167416921958490195622483608972794449432664288400943916069586289370558393014288965280417686827206261617983693169030081731652894868184938642816375094081691137500341549460692243257077170485712120327223319156595728831902120107210413

Factorizations

Primary (ID: 153024) 168606105160157986999 (proven prime)
(ID: 153025) 3085180741220359341036100046641605709169830874281221143207178750937899806659971774041477957203769426666775036488405629443129183570815178841343220841304340225248522824407693660306376949393063146495460425748231592435639117251291688063798758677931302180096798606047939145449536201303576541919882374166382878925003414224350102182461691177827591505641179418382166375562954126232082265293857984562046539340234867286171756681003545746419077485691995613298920526698572722074279737216281913949786095014036426934824230823205514433537535203307853177825228890080278959670040204072147660418079931548125997547614970727634701353577158587 (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.