Factor Info

ID 156989
Size 1188 digits / 3945 bits
Status composite
Value 310878720878417482503834088366636844663020702887938801310784583854966056884301412535973403489545106156668494662531763152609118388285665396540480944223521311590302253988609512909515233722689366450464383314774966721471143456709466161428686407939605949657232933127127048299843238197807483278230285349573320679993961254585234537048516192181240879217357981458990245488690021803909026442394880374642387660310675552181797998877349015261994749699535324837189990489998677361349605704301696183248611099050586674768073024402100693663134595595518247258994597301599804403704057468614022062477127673770284585019391457939884526187552913030817382897804839112886574967477796271294310372101157427947191617905637773206938145478684073774974224509776697270579151740270375234900284882841456245945817636712936349016959794604572587767778196126610791546639189080634478896255705474761077593066384085760651991178651809384554100127661279239660303060861809787223620251411168092735829694955855598010239264576941573015265318072009610055080536273466310248099189792107246670085011452524229131926734139047592266889656566020912559250498913383002662567816215034624193412864774071932862103727155764711455140758382858610889157

Factorizations

Primary (ID: 188937) 12199090037830259497694286560814872697569514517589941334894537 (proven prime)
(ID: 190983) 25483763126131548374879162079227775641988877372128200331990906686667217883914135975592924442888926245637429089534810013911778447453394756332483897143759063066591918611216236409718760703180924595446493129884303201277355180235748291211019285646339655322528716864803092344350554569940831148954536464895696532238107019987041779487735024814505973775081168673221610665271099724051961646851600330924109569663700903119963934613292460097478929417928706267832992541605069407220100633548466565941749226649682032608848466160989009477080868222696662988954712609621035179307128432459906079209877592225912837180946727283574472997631909184948732113919328275561294473589188778830421111462922936487609994934944403859246081844474188214509719605001806153975057075557364122480709975525378416535904600462507930894147262379461289456677419871382949999813235046660899971591270893426996353307008234296288795869857197345232407668579606609913931352180621803616253034061605793687292522885282249748804995291232117950267192368675711003692393378285269463322363285987163969917821351049448535323158248006414192339205985872489632508019437807620536993576995295261 (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.