Factor Info

ID 125451
Size 687 digits / 2282 bits
Status composite
Value 647590370069308697161649939359230287812324992037965007024999416148260794760827478791856527546476303283052692819184948170263809267948694567918228084464862655292348219503876759218196865030839723735997612014258613865857526229098465635250211264321918586191767203171488884150776718100489432205117708598308190954283602886518287516771625412012166521250140486375217805606929812712702503294286021119982636891577208891876098458288028429846290317671153108149561788086706329694202822859989133111373085318849193052581043838582971796787726907506463429222764071585912705199233992510818702606643972934251951470725329063619414611341172391134071313671540330844859995382911209787039587320391501699987643429

Factorizations

Primary (ID: 125452) 3625657945340490241973503083001943834536571 (proven prime)
(ID: 125453) 178613200647225601766913022110067014019797256047094917853430853977300028651844161447960955107119236572536482551441599355163934433255965381351337589278801270933144017323554546590210920664113720104494316732864346948431077626168031069319895183408121519655019627022758568537074287171842997933738442136832158981079828080292993005055850333148619425532575770937958720363386000393541927953494949310820862349487424133308230406023774385951029852707468265599679633470426501548611161666948925176639460996011469072457306011100907050535502024255629272133380339966646287841622396705521450705802805929494725419620088245406927097712800156177575988289969241579999 (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.