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 #1100000009040811779 439 digits created 2026-08-03

Value

3895868854325701762114485257253990583763871210128866079438763007250101735790413924449476242450278906047806417138613309150251042567290129486034533871012927191619791687098705252212393003719053553564783077728346699380966103854922531620705128000122810427738723824212565535583023494397777591252033388330026640074295236380693966895701141886470141731452254584813132855483528403582978622966253309582365888152918572998125062508611853127533745628099
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 1,282-digit prime (105 intermediate primes).

Certified number1,282-digit prime
Certificatedownload
Certificate chainshow step 75 of 105

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040811779 --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":1100000009040811779},"decimal":true,"detail":2}}'