Factor Info

ID 18785
Size 289 digits / 958 bits
Status composite
Value 2231364678437202286919889614892053424049096491819541601812677612443589165672590712366447614630168236354927483343383983610662073924182297790673284576924670242938831102766322642701557733847998171421743803723553982546717963477330103713970195953907978343803881518420312010684321314271412454033

Factorizations

Primary (ID: 18786) 5560213957904401146976358164020003882623 (proven prime)
(ID: 18787) 401309139419912765226783390888216458972956248059453713934709419251276717520561358319866450117564680657655703673237810769339591535585881689473224563965235768716552934276571354954077125702906663339980380596488429529313191998933863993780436638040018671 (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.