Factor Info

ID 71737
Size 478 digits / 1586 bits
Status composite
Value 1517978898140040413167375939765872866781361853758684518600444974549365705009957589566596646859841137728273652991174312565711560801059153716329399890684458145846931949099574090976621209709384907538992763654027316834502306317831357742489191005912183275360731077574592174668630331847527907616562045340055756552231500712162332448299477848158152084291752606166837140061782756790102328624503084068120481585236921758591372324327230619510327459891786349546657368647746451636953916008753

Factorizations

Primary (ID: 70674) 3117271604979239730401 (proven prime)
(ID: 71738) 486957535466387370787641953254180137668306123999223830537003074308008325690338321601804943847944162019070529549377636902624767124140013841546905720798930376108485794062983717626052140321487654983498887612725375477078163234314644731134774776394386740940664195819020182630496106370224106212884096472910335730065024052362638076070675178633413295912705608011842161329290976056586914409389643893745648913229582232685566649319902085640141619031607634348016297553 (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.