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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 #1100000009060669866 2,353 digits created 2026-08-09

Value

5261036384363428945510600464647328283951765107021976505985550577386877165979187720004223444310390851011721022971326924536291777263098900585310364766520882351501511920798348147590281301033413120379727220930027776458281841812546745038657824511925403554297077332468806232785709612146428461132894508525692370126062449683900669694358890831997378057031368458883996703521163211364557611412487968024401841205478311113324772280950482592016233993905387471855356256355119559509159164569211830712505926237822372055029993536494616185695064767823013797142572774024834475865233136218517079755715606776363959573834111839041807938471442621671505794670904816217053642900406953810615003981140951318136688219336813437388907282757218706218367443444462060394816746603597408727454811017900550285234372114707152564890187471100375414217031771822761511615671363909371021552695970104068502592533460625076949252841818700212900137081748677040046793697448937230884102115106930989983499568230137097682425967758029339051990249992898535765984199846537104519427310513776409043648870503389848564622585196283889585178667307077839908874279802993034877567751716087022891152949026941884468754046775060713886694370343858047547920920370139909144294007026015743245939393009236484781246633295773577596642062951605321535261560997400908309457651929596268634855930803095926035294060596070675852741867824444284981959426656576834158640319873085621480448029174884521324270590109114383144305402749810397979267836847042172489481524894938033501614304928239321561750336305553750226077831362146662516814188312622047391920424739586575028120978928466511615680232425999200351176835947979552572661250732553894246857108183028516630550514017980491610421379464148587473084943578068495441632133693092256257624827084310162674985074833487793973130023373971229259377999373452792554670538543284204205077325343475277869149237392210820651690263171121085794932167649119549148450314587628016727857491470395444506455863466178721843152680546870220258413965342549694733450059937059733339394095306310457759527027085302999959725663809986884135909483617100077020418425194786422046470377067164810708313765347900981366258947748317290962427712182831607866585769491765655479254811428802527075071726059701977033986707022884859285964746164759372710305015486560205112361318840610617349966728484835490016722498183802522272568772811982823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 2,616-digit prime (194 intermediate primes).

Certified number2,616-digit prime
Certificatedownload
Certificate chainshow step 21 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060669866 --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":1100000009060669866},"decimal":true,"detail":2}}'