Factor Info

ID 161497
Size 319 digits / 1057 bits
Status composite
Value 1328305409612169817247595828753046691259782388694480399026974799417885209450887243699526466376737499171211342178499701202016180496356949543700602517176164871991672875303515249759846437294022699666976643540936973989324165174963594576228124292533485984126099309919686472334054386306078068816107951388252607759551759116443

Factorizations

Primary (ID: 161253) 421888379833122689665478987933 (proven prime)
(ID: 161498) 3148475931329464471908026806954369352794238269938996506132510122528175001710129455078628967895695304289280284375639597796382808586640300039007563672271545359015149296776479295301144768451182687448971176278815858457176616066882245971781342669647441441310641593652621977598126843930412600471 (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.