factordbrpc · fdb
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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 #1100000009040619206 708 digits created 2026-08-03

Value

854594558037556645282591150716648521738723173818704354199154742188779375410198268593374286477154587083307289029297809143597177863427188878196277341618538290592051448550417595977998085667844013247273301758927268299909018907391269437412757376226922249210506391836622701674482573752410188948363720899634956903980211401166657667407012464387687229094449641656659681328365005285530240829004687852997781597091540462423942963078522425996431776324192974359418475080772304169766847118142848381280896132622974850690931696876490901307555496677764515833965213151025614805084217903523818094026177158239240425889577025585196312521937654332817532969809937924927058352423417066118845773966594775078114858279703116731640426989
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 1,275-digit prime (112 intermediate primes).

Certified number1,275-digit prime
Certificatedownload
Certificate chainshow step 54 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040619206 --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":1100000009040619206},"decimal":true,"detail":2}}'