Factor Info

ID 142838
Size 1208 digits / 4012 bits
Status composite
Value 39957025466242859037737340331834537849214946675591606301045458620573632717625256967294190398812175602825449563213238203773644738319699692879411929184286181098974611163551910550839133952922206197288443014978190237710029276443605871782986076632797099813597273875478448275219704569105659287918133127628925455888861284139560589655254720550717126218974979090794688073721726608662193727523528841483666344429651247299311830784067243493761268869098839607840688392519096085259088267489770938158807778877394802771109886011668399978766351103154950714902628085096112043879980261791269602584801945698106358633085036165647465996408403222666514557361033756330089909521960793595620727158205064367048411893578120060463993578929863794572407582027008836208697930488348085358864246225232576434737176303092931369191629977956493302923785060215893826706660817810255059150149856219548586373908259785693932722724998787689758614901400549877985689434414901780377242673691553610270533730673456862473113035406316528021193086641766870462408914445006733539862430544716909388838445455196928067023973167010008248611822477214766013078000326305931592656907888337852915032329574343127026087804959699498786643744242382960989399483687702086404183

Factorizations

Primary (ID: 16320) 25703365361608909110896940589 (proven prime)
(ID: 178613) 1554544508242625634728594769154007518488806647796067328555999868839945603213850449369240012101272184482695369820356737329419818622003024724290637290879919823774600907907888095649848982008625849986839034788128003389513433186986056564130935327359176519255972834442367960731366068525592679520986369588777482565730781273723465402823804986455687659799622857473780724089089626813461948961516652651015750450045179254481758777482047016691610804495241308581577874483870647427596656996396583992230976766484997437850457697054179473046917042487988317120627632061323623155139015363862088554814436167719640853294161745863964881206210939452532491794676879900206040459605724427237392036506331753412617253742464324011742774159984577722205182500611636694300185322811251430675119649844457721457902651299063495277389008922192612168218351516244905128383614186330159002841817224431040114511045979372490441099638238417515487892918025602381524250808601777002799225823692311869721269993660261523681812194492368154362959326288900081502949345855319804012693782856800061926414910714350854846048159828880923251449746263538118305586201122042400160023149579096557672754631033913830375392495725761987552153718547 (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.