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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 #1100000009059673489 1,902 digits created 2026-08-09

Value

191194907729155607736345556765076045321301726440774280173630020182141300681582258745915666308328391254705507092374968725603991665563026595789927948538102143639903267763890095885325263755463548750069137899382488076470530791266728705891215094155592676212278712489996835928143943826772554562045992567716914469384244060387789735147450578051428130271681564051471589707971772378493078230920231966903455358349135283158470722484342433712357021360069321017967988149209268821600296932310897376194202655198044462231481338883860211197836477950697419712563832640014406584794247157730913565078899804023909223756901755906101625992157784052627240973469723815689545079284555361030160511546814811935438167670501218698750075106237510449511850323258333104210996902316065372571661003861268652031246509271449806774249861207849312276291135929750654237024983277728784833014618201689842979187256001387910851064089661801924195759422598062183096953804588698813985316199676238368724773918848864467526766229598606086708428836279771007560314991520171828861764820945609451997228681668573139815356440705733003378954806773038384608205854125097554536400109774528363649238081542510759424139507854670588483922717593033424634996225924769383049841252149539134931035864337983281111341717625621827678806508336835530604394756703894620795168407156326948599368645327064842573653057640149055269058562891817477174121520193570897053449636596242459375173357928570106653485657275011205901093039997295733822690160741828700990537588567328888052603524923233081374763116678021947983556100510228509051833598581014377318673642732388034092899205431668168151203420662816182652789516645462619850285576683956372447102127015019063813294205354879753664723494141024532459944304554228075800865910436659700165219771809673818917168585142936621864617042171197030625271311110613800931660949083734675976772050922334987290043743028845144211545242523727088775700832914847
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 2,555-digit prime (187 intermediate primes).

Certified number2,555-digit prime
Certificatedownload
Certificate chainshow step 47 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059673489 --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":1100000009059673489},"decimal":true,"detail":2}}'