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 #1100000009078200028 711 digits created 2026-08-12

Value

384396079088453111936490288024841501798463890440578833009143974427256432295867877644620245510051116944017901602567654168850325886277763239242976729251225823330657598264938963274661187297886330531198160449849438843271976757203338021157394836342541087156059339656869236985382013626614394645416431019582210615105989424392632524623788351523992052483281475877212320425716130909344223460121200215746516362649694121390213859079877713840804418555168404486961877215844164347984985481079198555669099432763321721139498786158967858888798014231540153816900961430450163537323421776193741953963543409949382493453336843118444676643876693431273275070775797695439734737187602839496111862188213067171091802894592953139968111285331
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 117 of the certificate chain of a 2,146-digit prime (165 intermediate primes).

Certified number2,146-digit prime
Certificatedownload
Certificate chainshow step 117 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078200028 --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":1100000009078200028},"decimal":true,"detail":2}}'