Factor Info

ID 137423
Size 518 digits / 1718 bits
Status composite
Value 12404443577579230267134025080275627949029135007187257346682080236451522437634820252035276242417155888976910422833557871597733153888151228428063513105901693184839003672193577840874151567984252317211836436067832973443282809362851647485518775965208342947792414551623210451835301710394508171706687835649539950442667943543299997358801012511119760911812963586155119653937411848251989068615909581969772226573257260841691863273114366372630442686736032065651143841405601756931626400411485802777362890104430661474771164515514049

Factorizations

Primary (ID: 172307) 25207779584757302840081212179809 (proven prime)
(ID: 172308) 492087910237043537897902757382896859639841504230535693196897928653766812394344138664158626697237805741548867905837367363515835467688772071277289120070954026460166489296472614794109414810155531158553626940907866947847095643083309251494800485305947448930918632893415248165338699147898098513220210717401568495883769109067365512102919716018251059074220794551122295821703663314419758432400398072561820237925689694898801412170345890863029587233769762591418635250316805687884732678483754667361 (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.