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 #1100000009028338002 331 digits created 2026-07-31

Value

2851769397496604855763568515543909874208291062027230732144024923118702899057539430654457565748915091747640102326812696427452607812106011591859488985248863750278915051618327023140300076276620212389847121245747036044735547955350407627157923859046283137987168471993568093561560970564488444007731963495090553936442456791221556075670763
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 1,203-digit prime (96 intermediate primes).

Certified number1,203-digit prime
Certificatedownload
Certificate chainshow step 72 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028338002 --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":1100000009028338002},"decimal":true,"detail":2}}'