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 #1100000009019009191 433 digits created 2026-07-29

Value

4490558295041645943845914527075554888137788870572914279845017679044174924029303323211743719975708104714748185444425728989509803841693046652526534525896007699424130922796939091011959453936081717791506986114489670344791359958362534456922047202784738882864880103341183253513240430056615075360750198195735622324243291434903739941696033160054494331118359674802242030552189389559025897625811563689053314969615296668532103843250968838712667
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,082-digit prime (73 intermediate primes).

Certified number1,082-digit prime
Certificatedownload
Certificate chainshow step 48 of 73

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019009191 --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":1100000009019009191},"decimal":true,"detail":2}}'