Factor Info

ID 151531
Size 933 digits / 3099 bits
Status composite
Value 664355862871957463836387729203133097808818233806951529196486464593753662425933839802706806619794192952688163184275628341439867332238350992868027938112631599332659514006721216737283348655528166576631812173492619339159012965212133218315051999477594598061562070042148270220406419845916809233228321330118644757627245320349205776774749612407692106537701624270183009300451447514304425796788760973946981594695710088370260013056191551907271445572177387282660312583435310231787075034032306568146938831108631855753303948864314447170401792866449158187308536201113953271294655323536190077011236564605645409546406376263418301726835072389170324331020608167404521379731708687804448165480811618560777842640172547985498357033258786539494180708095989684263519888704680530596820498139616110476984526421861026867265437880572167267377192223006076095554614827163262258795332024354475348472443211683512823881163929825850825406989258790759365332131228280219

Factorizations

Primary (ID: 149927) 40203278481451553521 (proven prime)
(ID: 151532) 16524917568065226643581627930732358863461817211233017088373106677236152390198877438719297704980943002894520559770123847653397970109302229765357621939980048596810222721822915089203120449576612439589821666393452146730087026730489337894116666154148700813136421470751271292370417983042319999712160873565845037399156585673857794107181558734364184708415028451689316468453511102720333327671999063641315369182758641607220780426712431862708852709650702186566960922745165115253230502838834874670813850832063243580588051781945898989175867304969119202851434478980984844135253873976698283338893258823363981122222847941252730278604434615313461030428582930085198954364630247826767554987340539299976576745918475472362364204442837732238866300404091027077444402378646751811927230426502271895205319134407975845749654103612081936078636337882826181553297361780197489608894093610181719040155262878972618346087446468445286751445512644939 (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.