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 #1100000009040391308 636 digits created 2026-08-02

Value

518538647927009378194141961622080537269903822724324750346359997865627120794675692549934052084217517780595770155570554094350626498735182215471183061490425273460308389015197196622931601366278462416193529094198796766824360110713821699568445975707427810459072665777900424751056247381168142560223225445345474907159858609642548108362179655532293581001820938325969953594957269312707593906063895302105741488819680351003140053850251840694402757499713183810960930403006410720111477574860596961345402467216834711843814513581124293410025734813776341894931661609767832504006258446947432932197125278615236260211059191132102088981494369993548515234019
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 1,264-digit prime (107 intermediate primes).

Certified number1,264-digit prime
Certificatedownload
Certificate chainshow step 53 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040391308 --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":1100000009040391308},"decimal":true,"detail":2}}'