factordbrpc · fdb
Sign in
>
?

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 #1100000009018817203 326 digits created 2026-07-29

Value

39817169628202145445752795450752255164444216929824487460645574971330014988858374005922691730597628339724442192328493224023959662891925194448298204141979790996301962178842191826956624214370115788733938751793718057049392692509677068032105762749048198224865389262577852560045732424311226550756183156246584202842901748715401261019
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 1,028-digit prime (69 intermediate primes).

Certified number1,028-digit prime
Certificatedownload
Certificate chainshow step 51 of 69

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018817203 --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":1100000009018817203},"decimal":true,"detail":2}}'