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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 #1100000009060825640 2,749 digits created 2026-08-09

Value

1862609505368633008218834601764990360824211963575849902805493995077317571531228597569590730839452634775425869613211179278083648184209279533703397527719028588275993880818208494268258781130327133545603112213029271626386719952953048679846578879935287028321254850517726605347413425423753150682523082329947903029891665256851509930904242861401250990293553936434336908925771347615546971494134261384039164268976531613711787078101027715122876492663252018079127642086136780527261010826699249326136309806577992021473288663886826238085357746956773091435359288892881482819123428481273562563439137558782938441442185340537100158851780764144459524089193456028273494075278922324485144772203991899385095038256104613073104842509031585056730048818236366829711332533363650826315190008627333865068525438869079490273317569915384390237604979027398744736751182071806744430314217962273838698086181590556918307208765386562963368826857359363577581971447064326879869379728287519869112102421382108348333745954978111650099919978395606728412578609061176635993119788640939733791745392171807327166974483057390251402480226818569428675682122525500854882821998444095967633721720466331163622905008492840254267768341998388649508384672145391853706423408695410753343448569698359240749105790137165722134130344125794660165643687755042281805255752715103590249410862065990951916930565933216858229697245237025826913276571723478579200613309222533898365036197071615502167672899793544023562872065980504657459516227708265743152884333790013588730640555143738370098656884924060802198078228590877784585725182429134081786482007274076472193046643439101474732317999480620671678166297606921443911236725649927033234865856318185361454033569245527888844896870549498659221362744009206601602183739001118836352332288627941913386374742228975792537451884763016165216203532493572633420519295766748252085783440801051422982342317440002238402204085103880651443180628702127160647702988615708962046946666882619594508732872819108828945868229012671454197445286538817311622039060044924990841371962870944212087347665305947190643293717278064090345824917299191615025110047215609988984731367574874731908207896855822710200889365998926220047993178757451121992300178030452918802245325734368396379158706064791800801814755646736950771080551808678162073407595679397230986978610480335072160111751142331942587080683003364923876559851564033852400233214586423835122506769758969926392688300492990263190896421879583860269367939755300704675264458545002171956539125609931648341503761498607045512750193446347669029515770173953640879657098074456566573969673596656720642704500536085677832468695046578581387202554570990640205713561006629737757064487156647953627898965592153259024235240225328548229793698225807689069157611725901193211279570463023
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,900-digit prime (209 intermediate primes).

Certified number2,900-digit prime
Certificatedownload
Certificate chainshow step 14 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060825640 --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":1100000009060825640},"decimal":true,"detail":2}}'