Factor Info

ID 187842
Size 639 digits / 2122 bits
Status composite
Value 507124968371078589550262891481801295344494570583144569818547795320838445210773428381064369102570481834999413953929397454734764172086545783632434279632840181351974245260051318628657498418791926482482766948738122836084557217272686643478880121750659314983693699282205322079209583072981507625166181002836056999962913666808200285710810995862369102391262086184553592984730785443337731027027086951699173191984612248531462917319194560087807372630594382402855381808594578083522174647220967105193742571984540149537373202307767812839734461670917653207355750270242569423413512747750909231426858256354467489957090366816858363348392048307490452696041539

Factorizations

Primary (ID: 186483) 18021411793629317671036053732156963336917202271227064533374047 (proven prime)
(ID: 187843) 28140135422151024428552973916985801293459074973578173672357857367514819089843951072909825620896451525413019889914349095147347266023960651622883571166321670545406302324533784503110629078200338938192658601400246678145544939550925497335667710460139520402082210791858844896138346707532772548702000598404118885994445563912925272262643998249290570177014739281268149449734402231513642863460813010554580415983129550172543543997766835954701918976064379111650835318377846849797531304647126516106316366933285474370635883675130013088023176254955875524426180824360037839632643882834096289437 (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.