Factor Info

ID 187730
Size 749 digits / 2486 bits
Status composite
Value 20973997588642164390606656361279361938985672126356474836500331225083771544427221163202742459351401624370845058924525412773163612142842243910315921418549921191119791022295801266195260375206357651102780650653033991174792130976811434155265273659123781337303210375654158693323810683861529236692719401999194005389953048959149183975884717014840366690125277387847388283678963495257573823741194416706281198036449730894579787305656450437083372002448315117834527616496407596633463443335001103146400167784219966484845508626555939677318327049659015016289253764394406655890034888246268377398752559457837955784813512684847645855914272623726678126779055799616230044037782821633675226955211709053411527672737888354114414723290369702845270917147782503065667081700727

Factorizations

Primary (ID: 186840) 477922516002640904076444679165293908786679047333905088180061426946007566848326886523 (proven prime)
(ID: 187731) 43885769944612248153342950038672010140338691918828044713943468234080033267201373784748339038908650792684520961500354360376130544550236748149410254803728290709633571948731163619877704118638653362227479544661368357219250753927470867764288735993918922270153766861314043975239319900817339139484564765582958199841474213715738195738495232324659728117664651582080161056794363143897075729095068595437352228736212612503750657963801477326680515728611022741110489341303722009251788905617548513923393908043763641680928209601329584750994080704317189289851836787262941780048302196767230008621068798009280480179119274548802737673119962040608841583512760822078905235700220663965749 (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.