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 #1100000009043400858 361 digits created 2026-08-03

Value

5157583289638414342956623701256040634819753661730287361557939402309912415087941806729962963295934627712963131324075233981801748201323920137670244371800576260474178779393666150292703802916095605505015367277571222686728497216087258268161963723566104506757125768857271523206864383872443959587855650849792771678791625978822750900168777266022287464528941493244272419
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 1,359-digit prime (108 intermediate primes).

Certified number1,359-digit prime
Certificatedownload
Certificate chainshow step 82 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043400858 --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":1100000009043400858},"decimal":true,"detail":2}}'