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 #1100000009040360509 684 digits created 2026-08-02

Value

383915630032521718744495254461021269164747006302916829872904524147560026181599481285143160006300094440781026856878077646261071345126632042998749319181716210088891417912916315910485606263361531668930110979854034212577400796456489410948420017262374302910341201567680725870088244385349300646287099935373842869798978885717504356358124532893962922043098884864028444811297820132031467073787570646811391228367863779480004294794702447403894541128359267598215572985070799254248771382493767468900215267696490932363076251750339563943005420101000565011844577635022372582358688380885615047454722485077641865663724322006324998244518522899472875614092881502160431869301982661596007280041492781134453
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 1,264-digit prime (114 intermediate primes).

Certified number1,264-digit prime
Certificatedownload
Certificate chainshow step 60 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040360509 --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":1100000009040360509},"decimal":true,"detail":2}}'