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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009060926661 1,945 digits created 2026-08-09

Value

1922332118860875378507953513984434486893558923311583079353670718219418526743044489882229839155569842558451835453949402049608914050298285753776610394656876896834276782013709675497511046047546454945028411933957437772539310136000372105815934967490511332371169180950179615538443860872526331860333553016731406700406180678823244156770211924637066024886550498012223943347956181331421821485053671150340159908120007212519326006208197125786233767439242238732400767161676433068503095315675188575584792807156547225955334369218905394474812160873131880687877098839923581688236024848186557363888544971491026906716060672804320830861741391667180855805295086326517015602164353934380592215939275482010515645524335563753385909480455078144405182892267462074617805872086386384419203457583978287475409205886578417754288695225959266740796449191814765262024679838128573050243474335676316585481270324979823721991262232767317902269139978215952496376428892095573454847408444465634288678862254406050329014366459720842170185055844129776828020644997211448867395092617440039531304608164436721855488394530574027494609957939322107917338974765453413077087030220434764535260511226455397915568704767007502162582865014045155765658832308924064857544137484456579103777090342954487486369427246673996424794033552127702996403025181730429904323262349169535342271429951495221500104979733745571451312367565569977732911238158418325168300743926124296938157954648359996039038725315038417083404933108715532992680276291398925112632999173379524294506099268391072763959318196215366628791924842284379705431190671622407657806052631844578865661649877828058526386777111844379261826519381326816338867832611478308837452188633600712144910761759983250138123565625739145922536822197625917390558032737286111083812822541191482799880291617994781540432677619658025479703523407123994425882579731984279534471938036556714722500875352366464899900765013876789515165450457675711929440121388463423681166012171916444427
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,272-digit prime (173 intermediate primes).

Certified number2,272-digit prime
Certificatedownload
Certificate chainshow step 26 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060926661 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009060926661},"decimal":true,"detail":2}}'