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 #1100000009040360381 843 digits created 2026-08-02

Value

909664653118656885633440895070763139411253023776903125273357903312952307043296896127534298295933072092930032061942941947838113527723894421519392673108570541329365454980620918441189414218624422516555055129708734410869395633358816278781100846333619903657094105778240250354800250881269160891710388474579723122870811987413590913655041172740034651569544312838498564245833989970039512525796553763419224406895689882206892572655529188327681579781025727817497804492494603349170713998372143888511252002070605888132527688440678433315313803752159034784557944729071328735916187267882288454728138981912590870609783243464567106640048614330354680359102349689357543842050697270465015448576862239758433068135777868964493896757678862913712707590665077410745355879493504491799076996474369190396777663754628608195061588141323374210037250963079897860799136269709067
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 1,264-digit prime (114 intermediate primes).

Certified number1,264-digit prime
Certificatedownload
Certificate chainshow step 42 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040360381 --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":1100000009040360381},"decimal":true,"detail":2}}'