Factor Info

ID 143585
Size 307 digits / 1019 bits
Status composite
Value 5156160284203771070978122462563711113470033264429620982597385601850546513783733918831249721929572773433878850771764587901045286615544894670138023108561555512351193936815170052538300239972395407066037797118933550070341167217112680729640822846048969930883893844052698070184297353140479307604749632619808536271

Factorizations

Primary (ID: 143191) 519120529806890901634425285112013650846680048467074802680170701620672466689 (proven prime)
(ID: 179391) 9932491566307010747333272046739433707075482743825099116683589375829964989893621760654494497442389478539771308635071751040082952018396057860352990747419744838101303167350453509985983601146837811155044488722269698476785100723061298639 (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.