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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 #1100000009112552596 2,294 digits created 2026-08-27

Value

12205641276535390734534902691677487232995354816040402553704175311956195911855817337867455401052121106950844686257191107614416261191073813167668492090675336013482511810320722677752987074367759398766594948460757349429775813126908917831363099749049672354272995795636454554162988281338697264997956144138517140267401658096188211778819604722381522794639138158258399648329416066926050105020317371370965973902438567433007298874526937451155524428117161427670098072116377123284816283723943261465802367901082625209558312799112110610949127212137497030765525613824728203346422674526128273727556663664640452081707916616786879069220643534215395411565531415685822400461909584415553694970337735756266100817787066108180235264301925866293077810101549587846901438054670663414937101122821782003644483717156410684124611903633824828129173288982983282546172363375795260704633101171015589693578210475544560057711711589699595400295096988529432521381293360864474028690503947747043685379950425712281402042825135392183011488846524474235483357120160684664129449051859772382433918036463614546674815570747628054362940804491300314480861534552199283798381311744187119223508201087673842497303677363469222997236927299555242194127244612679152540264788358345006531372275023968578909781533727004652414063674132219977166614848917603841172085298016916368358955039779334504907471559945755840654120311323026526775656276118650992218618803819582397116855595852115717638486696927848646025132070594026787078773540798185958194349268064261950707364140312191354417966319300652393689318189311549396493912809170994649380625314196814956821298682043725940348502432179349404509918586803942717206455546574933933499136605154865165794419337142251826665973882161363295371892029741200122923586893429018173909011182772201130855406019111944630119440640467883753403385436289183667344786913360487701705086068703884533074920884964211034671097433692378079934699678770791683887372122756899283823497202495209627195558889794436148687423736108833052559409821824326186106754087915162869439118486792285471446434665971628095040403256050236036497146300847866277144505182886759276802221275031914680784366759944560619638603665602686381382503154757069692439653623688791397523377890650949909197747116735115733747570851102378217045648729510628415654351589713115109446463253
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 3,007-digit prime (215 intermediate primes).

Certified number3,007-digit prime
Certificatedownload
Certificate chainshow step 53 of 215

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009112552596 --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":1100000009112552596},"decimal":true,"detail":2}}'