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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 #1100000009059040407 1,101 digits created 2026-08-09

Value

219117003483211075160634069250263213236506504490786435938097640743389777004774045591114494465728817850247046176382452822722622618095477900892974981482126271716869905409478707993220579088473827038274058942317683424858499400868409012735273541711049000093778558232083299580451443455323594297567335081492246224961485993883527614025313576468511759403977639951809734600133929661672124775379673620625418343719523245237458962199841174176569566624124767477956816622615503136400728582425969059257454324674412165168103475065105183684906694423839761852866764511454953457359047517498635252936440248908777985279091619278599577794077617714033433296324633193909691460105753513034583209743374248921331098716561971115350986944610839377459904322606054543433747277336567717920092982846122988603625428116587812166152661406499555616363047526027218213882185648291168223073096198743598992500793131853455304884564576353579041176399686754515389476881894905562819847560895629309463447538020300853800721820669124233729654126161347458658129669361518326479204521719491501307621619364715567903211854722428889644031537393906412974493
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 2,260-digit prime (173 intermediate primes).

Certified number2,260-digit prime
Certificatedownload
Certificate chainshow step 93 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059040407 --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":1100000009059040407},"decimal":true,"detail":2}}'