Factor Info

ID 100478
Size 800 digits / 2656 bits
Status composite
Value 19111725158187228799964012394034944491330584808097289273890552610266006537046262049126855605615025963316495769426183493328267128947999556291558455037741897993907638050024767721778019243186247213331732665433649196496079329970301522830144474265707447836032154820275162663527560358774891762811552004261105045451359418275603251026284735147865651205548615020038674587832455777102159852276939596370456923414261490586962719927402840094570494583841874070209611018298815188682091782311383851972145026016351841416317030789978994392735311855788271706497553339964549930660673722460474862311770968704859699390005480286343380196379274507053880233787443716877340032872134813883838362805198713299447512272397426590761764615686484324706056563724163966077509951420362555488411080944578262426519072282046089850841220561

Factorizations

Primary (ID: 97988) 37728220072591903594777394062315785248115734924892661 (proven prime)
(ID: 100479) 506563127584997306463039250591404408130048980077677986267420100236199603220175440025922735272988422715298848389097396117252729044754452202624555201272421669123610652638967128717083152492070937955032457216617068385818826337838784494173913645727870618339893085322000453293850664466814697820500672459674391819342499592604746727365444637475673149828659383740194006876832391015944022789761245098298815395704910328183353267516485329682390201970813532485501932148185438627696951277127245441778817594615538117968815332639644906988398116658090818937861331447556091330093373076624875486662840510455090782993206037672530106970762352612156528709760471139793385660528617758160801684691665634068451400963987639311829541948909866202724840574583212994741387953901 (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.