Factor Info

ID 66411
Size 333 digits / 1106 bits
Status composite
Value 518739555878594832307270817847924464199742923356806902410038830808286372936963684789445860395603070338887591902527479256166678984696719414503729635395595659912584187753437633439515703519717209788630688447222393751219710653303285312821299948423552842402535670895513585231256171222790702998165630078050565635596861728641826584147263201

Factorizations

Primary (ID: 65793) 2031563183945918294071 (proven prime)
(ID: 66412) 255340104594258123135892379670766502324098690288887762610791881155831174353203903592883065697792365012280900721236481809819917665529992153144824291594197141051832185662730219790783927319734261363891828593370698769353391916474450962449985476708906523639890706073238153882005577532566753979441928441310459641157031 (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.