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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 #1100000009112552587 2,330 digits created 2026-08-27

Value

13785064230379261794595284092108737607500254902338331328448025019842135624367998720411021809442280019365629791895286937939154253422849888534257118047109731935067365101247201911329545779067617157172049987352069398121853484556942545779361806804193443668790436993529533589130635116300916087609953533250929496317601655374097590150954443653495904913353824711943200620640535772490092927157239829147233141048835984010456380752296513511795019889374261036576123096719705715092250503643068638036222389035973269430106512523695856128278087738676957669211291460493225650401928235829800893836106422747631404600651015321823896262196716679947970823210767277662958722026142206678354074872865169537388521993789100701706084438614238622711287585003970102404873026320804230211183091398261325479875364996626799347254753293554478784572491070046220971597181574074077147023723537156705469504784620954418126206088888080501580787915754470584137647128791303997094899964975337127046061241445921653946066338191431081090061765875007175970946960556478777755826532748046154598470045291004445747181829508776011916809450030850494325623774609606554889316852622437113818195977167352661827738209335474216088336580379465590192396703444822793626303422872194913488559013109391571658886894143560382496424129273226376502979380859629219698726372743834316945374140824956239479792879559370958673806961573848540450928349480950321712499799495439705115268380984008197470526358163083070648164060449475722325752530820991594116800167576702752573820561867933585454483496448371441960876091990229269903439181473601124098254914042439044970639895240183594524434945951073919459972011890025600191586963050503862463312985852812331204947938964477671609790317442518255792326087566705342939497442179904788997436706748871205324414688719807193645096344585489051342591538142597009750201794203623133403445402798226928995038907765442756617223073185443251460260612968447680197688202812788849189534409560880664087497554137025537196892134812483046400967956745794283451509031136459947232696716829456874484932398987340511249073244225764066969178720040073250267198252887013186535320933943157182030778192354611666486509920058783117125491818299505166482553656277534053808382426784740868249719012290371898998336967550330435530297258500111858327999943898292573073209740512720652197943356612681419945802495001
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 3,007-digit prime (215 intermediate primes).

Certified number3,007-digit prime
Certificatedownload
Certificate chainshow step 50 of 215

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009112552587 --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":1100000009112552587},"decimal":true,"detail":2}}'