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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 #1100000009051642562 2,176 digits created 2026-08-07

Value

4524064523831557542404057057798343094569599761882565197736440452060567422013887759929715729507541210784764146373586993698593186314200034964668482556185766166505645751740046835377282062682143456358554597639163082910676873071207699097422220132710290808360645374302762916615023068708992521206806995169018967226220213544710398282023364759847018311177248053943667843275868301562880709500772042386592459893234113659318453816674216598672153473952424910817289908060421470064186623526030213887322953151529214406029726418246215876008300152571150771349202690526424528116485003183418746004892474801818804869331998643368860824988220687077300249582997846647449344910828996267042352758114571463169287882219430489296547936762411058536456955126204265469886317875993654110952999466441976143341771362563918484901356761864949307137575081266509761906653503990114031016686995658579336113714512305992753438783088190266684772032174461698974607204372288346815989971428912679354564216786812180476418574307243714755908644505780526456135119107892120090092224996202566600146122729028043512498174227064641052736992668703233568152476694106403357873672989059751532379749901840329550847487102060470975312430737819194540026893146083200503014892859842578668406792606113705512205821860186648842194369148896341948161080043296908943772247404725248926123855062647493291862893364431772855573544606663958072003422753517947515451083833289907085792419992565821945212546074815185661643898738671015416327333765842099226608295255551103798042131289701308442864121664732068068007111051236596807916990083499202863007748109503365997411958289564847813394986760262631000246570727422044280100797043095756564232549390300098769920384950922526818279629696520493511662375776803681622206484048000845308137643074433465017442133105480181232542048052323980135403326130535428253914010801137288516163442038293901122828946514209387285537892911546688321700272673889786668240370242200445517880279842976680046912629850715572082348197815153157597196883741466739237518857240004290419100027001322147268868064568875786438743638780145732691654394554348838133222065977095476166758479046720368528513176147686490251089961693212575989529592128805546711
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 2,823-digit prime (204 intermediate primes).

Certified number2,823-digit prime
Certificatedownload
Certificate chainshow step 44 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051642562 --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":1100000009051642562},"decimal":true,"detail":2}}'