Factor Info

ID 142837
Size 1231 digits / 4088 bits
Status composite
Value 2548663507629904882443347537215265530085643763346355182996691257103862013865308640196135666178777805913520292140514592903865034758042962484413500834571897457036243430998933800791888285789055580701000664102686218255641650854172377180421499832200611968356788162335196145660848524979919979653735199537481037465594087615140457789642705179858039729009945289621856869462924366597489592985479454108837167851326279321857656589736712577393562934277579906799949321633510529019212681951135162360417104104622180235140507220924620048520134464982582682152105612926521860967033518774438855012401889093924063681407408889343065127059051692945782466630408348757576192681298580489676374870785489195354063337801974088073809527965764779139981602551727122005263823336453984750688969301439163015673801093322793512956796476505996076302466004152839395178435312649341267215987275290049036700512639682939808044975804772640241191237240218975865792166453617734608670988167561735405347608116464682541398324995992227847360288264194173981250828128847983010791865818389297929765256252316839966327967698600313572990670929160496026845607250912622024318057757640855325899066448308836620542318641907882922415295914446952393371703810935848650213421811613389160095975897

Factorizations

Primary (ID: 6888) 63785116081353654247759 (proven prime)
(ID: 142838) 39957025466242859037737340331834537849214946675591606301045458620573632717625256967294190398812175602825449563213238203773644738319699692879411929184286181098974611163551910550839133952922206197288443014978190237710029276443605871782986076632797099813597273875478448275219704569105659287918133127628925455888861284139560589655254720550717126218974979090794688073721726608662193727523528841483666344429651247299311830784067243493761268869098839607840688392519096085259088267489770938158807778877394802771109886011668399978766351103154950714902628085096112043879980261791269602584801945698106358633085036165647465996408403222666514557361033756330089909521960793595620727158205064367048411893578120060463993578929863794572407582027008836208697930488348085358864246225232576434737176303092931369191629977956493302923785060215893826706660817810255059150149856219548586373908259785693932722724998787689758614901400549877985689434414901780377242673691553610270533730673456862473113035406316528021193086641766870462408914445006733539862430544716909388838445455196928067023973167010008248611822477214766013078000326305931592656907888337852915032329574343127026087804959699498786643744242382960989399483687702086404183 (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.