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 #1100000009056643982 405 digits created 2026-08-08

Value

205326327410414429036772969160545961802783684664009404217714296701188952796551878098895821538146038869877229965441585140938601429038770049215992141339036781243576624912939738554497867833064477773087600400746263859203271500987737600490044044638385592058768722862491262377369128829088904196481557164431860224665375970894611299071019641140326355579362980745632848685612991257478504126494798604104981222755317
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 165 of the certificate chain of a 2,536-digit prime (201 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 165 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056643982 --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":1100000009056643982},"decimal":true,"detail":2}}'