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 #1100000009091077571 1,311 digits created 2026-08-17

Value

203555968720124536833248322783751776006361782298724601588656949731566046346548115148410190992857226546941644844613457176211079335575654194250151427893703964430776938849365935192143298671345519772949699868230580693042379329929091684563961690122104640370403932385312487969053694414514935813559169008244972749791292384219216771111869527326921483206062602492887708602180384390790683241055805419242923039635181446210332914835215115754303019166734923270709214641792285623268565455072115092446400434979936472980221910022231615612723267118507428455350996199852011960148052782534370757315929104146340763903307204956973128696193836420613485495902968941202414105359485138268056309977373050871795961654088843470972877851851548298633001824795322968661256454937362981456340031081275779170460772414410715225579596057777980869393747277165757737025392923423926209958288178473037590103894322551835073361646856616720039688993660430326050060640322999374040553522785185313576906081384260094719569816019020421170991460957894911017556290008317834111149426105306190396869661277442004005618554974405673628714117879454944826436888511687104546945205339555182329177642835268241427444616136251945069208898364227564915477442115500199373773721720163977809535610876606959478829570384771723686320695738282748666209752941065358461387061247332919
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 2,084-digit prime (166 intermediate primes).

Certified number2,084-digit prime
Certificatedownload
Certificate chainshow step 69 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091077571 --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":1100000009091077571},"decimal":true,"detail":2}}'