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 #1100000009040391394 488 digits created 2026-08-02

Value

25893296136812576144068099540422228195609796383151590505490819914848563355892251440030436668321266095139906622385844173987118577822866805353490893708484548353815710446567718827797593510194217151503103729736069479852956011247480757446396669295314998906505756169868242516046584972724077193145731554473942094522935790850258416474517749597570054960527513396562643546836650012013574392767281340314453054856914957778629789233126137753880904988909874527912471267465080243336349944385004911972679
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 1,264-digit prime (107 intermediate primes).

Certified number1,264-digit prime
Certificatedownload
Certificate chainshow step 65 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040391394 --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":1100000009040391394},"decimal":true,"detail":2}}'