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 #1100000009079648409 519 digits created 2026-08-12

Value

683378433828824867535524187850573839790413562214290249077849898545569141314851316637197804398350442880225245895585792539488756414499766703902825790065194128497483880326298816068423325374361205016260420566434272732172199490649012942580443076069835032373634390593948189384360655780583066458534072775120225726156020073356091524774017020523445629814258199249614175314574884221765825895947581364767605755788735773935353833236729419173124671421668121795661074058028771024979016156438619638286673252249379497339028773994474407
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 111 of the certificate chain of a 1,904-digit prime (149 intermediate primes).

Certified number1,904-digit prime
Certificatedownload
Certificate chainshow step 111 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079648409 --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":1100000009079648409},"decimal":true,"detail":2}}'