Factor Info

ID 129328
Size 843 digits / 2799 bits
Status composite
Value 305151357972937956684558130854497680526456623810588288508161086034555002842437403379371344078957855100718987381121066245199994158861709906642175517397627100687723058736709242618540296839582533166780163229286957681153388133408677968060558521662802400266658887358322999777935464877322567188740872322518702953616294759738807391128679690151553032142912081892481684610585558407467872266392343164349857457345583249728249284944457581270851920562448222770492203940432489567443970615124924143038736267433868902609727494447309625215477191404844998003814859699580460452003092882717409843219189294052239112202730296043374766044660448223007325332792549020071489702738712326116409679198599011801317650985312989620834538458098907779692374859665991281615810044923329085171355493123613398147843234514455485869841366181863370361819034253674469545411334329933811

Factorizations

Primary (ID: 129330) 279622286550222160239650731266927286451 (proven prime)
(ID: 129331) 1091298414506493897945921453603142432475211602072207542735186958378413163878750183148563765002908665211529781547854240070348537665822304799632484995553174305985819281204604609417986308676676082697007881005356583706183932034915993898801319874612088895481860856798644502119775943627792676834303269196895769404362322215950492481003414715276866759169686917967470590825181359315802139502459402574114854048019266178307386079505886818644184010053602966598578718390408128552357126814644003899274693061637887736768134402748679679821554261070105144177140605180290297706760192632720084436089300689016515095202524664696822222212633497868474499507602432013729730971510391531633064118890909776437026300112410581365292260607815014242906603685304871339689436141480266458659841402003620095830972274714168061273435580775361 (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.