Factor Info

ID 149978
Size 259 digits / 860 bits
Status composite
Value 4158099913438437381500692843451534480164753005402485151562800586127607579345542975632852950869805192710756140179522925484314058570818332766722670803675558602729459497014098397828425225973314507675308019267533277616607256826053419349595101662057965663216335267

Factorizations

Primary (ID: 149616) 157193380600163813309 (proven prime)
(ID: 149979) 26452131111137285194140519667725789811196434458951222392535517247587532571744875939484249140439720234031790419379478142507236138221974525423980529751086425354219788840980255355008905352977347502665573355390250724876124630329833448208215263 (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.