Factor Info

ID 197519
Size 735 digits / 2441 bits
Status composite
Value 517331599753844351828772161246395746779591161935552365311573599858998683819198968386091893590664717887722674295855618483577480273438602755461602880036192557165639484687540301566606240539126804727275342896975239671763454682842226328516017180441137279546753621713202235036531415245513867045301374114239040759660642763856069429260344800831263693064459109523662383984664601593750800928550225775671175574758443731133993619426679036749901238740308802395253710706926475319323057498551130442169281588048330062935603006631608163450987025447978586605260606400020328187064723242526576043000176016622069067214727168791285320449836499972676802795236989409307747866517564309987001611674080543299565374330236352133513975609241360897154191699948554383

Factorizations

Primary (ID: 17662) 703525130194638933868239585175540752922537827762121 (proven prime)
(ID: 197520) 735342033355252231612540116281218298187233611796891575349350055396880393490413100880241677504960102586314541552237664922797236510177814765174027654944499479201693463319671380260507862970619080689931993479299912401189105075300868652717039207541161463061051274852770090879554871146065991740234095350415024265519459932399349382195217742181967925397087498288707774105205023925368110051322378553585295343357483589509125137272877287884516571151281912117240591303633475219968230399594615067135291881993969470568956989409821420976519454601632910793513744999740088111202714434325972398584376166205823990392786038451405009093394452983102107219792216387189747857664951268890308246771118515593623 (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.