Factor Info

ID 113939
Size 963 digits / 3199 bits
Status composite
Value 639821208309980974070825929912064621717297534908633508105580247755377751645934936783240263460618699510422788984303383412844302562120074891281695021822816288519554856219387061899575963513138442507619176687660790900600497728466642424332422218193993162962252844363187229088995802163861165082506584140948627009220029523443294309747595086617335204517039999002573495218028715671816805509511870144054823429635617081538746596675425001628831071505107738034103431262489014581329873811599759178689006182537937114084944949701296208963110532985397521154481835816814520932713527527659676900608000735194419707492448637590903206221335307398238408678172122610902132433084471375694166607827529271312431975139779821190759916655600782383117701807099796119493523873736587270719484990467941215983629004140753716877613970214918169467422934460823436261684165508859006655296109421320925502232950538023741563376431298492091153958417275415881120967021401505981377481287747002792164210048001

Factorizations

Primary (ID: 1571) 1473698452881328824415206659152862214442512674245913105360407620974246882196666337887779219369413796680640629272418776961 (proven prime)
(ID: 129038) 434160195431448468009486023876489226725782707146687027999824045936742213803087015881821934199718836433079279156197966244660161489387673455961012518450353060021762624707819620686254208001556176298427356602114442338285818300685636031365979283743954733125966282127355445382164630166393016888322956052221642053732151611909940092145054155740564823869324360697912081249878970350130993098007666299561776600161225265077305797072274314814643941672105218745742945233263859341448803782614486772095393194506304825807689170030752609926319273253495403498304913074056717271969404153084182748522265878499979742345882215657154268955349481839973833520889804744303900566217152955409160756386636910468801712160878134987718539192496115882115835059636139996672036342363284898908785270861193638996554502275646408627588259260025472448924403237984654612722470952256641 (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.