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 #1100000009055090781 779 digits created 2026-08-08

Value

17691683372761022357734149504179613078498203910802170320195514369743935355573156348167239705995483886642346755658030930209888451706470311784731282039711990615832871424428009268280350446360502924907667650328794046509677551310436568787129009706462734109543546498382600453941953381990454850940504737804006472956412692878015400506001308710463163441872717675686795989208248591668470938191127976673129385657742555584095919511017336229974146442210447672626858466070980660854785802165055783053549742415688078861292168635315518382345018872757846243478451343132013714598564887382804562796813045602779714547353561320414143790675937770467357216356810713614008187425984836557703840807090945589755857860175163852837790406385516272910592263222398594700348230671977332056392817826105460266320853
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 141 of the certificate chain of a 2,523-digit prime (197 intermediate primes).

Certified number2,523-digit prime
Certificatedownload
Certificate chainshow step 141 of 197

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055090781 --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":1100000009055090781},"decimal":true,"detail":2}}'