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 #1100000009043272777 415 digits created 2026-08-03

Value

3938209418728062563798692545565436754475730016948284926814849589798223325705205153943629024143661340162835981562991405297804081023194120552941170998035303838867063922653273136720493869049773200025180591352792665439701732265153027415601687010652000019262368642554068764947908306009468980907895285136835093419239307746287826100542416790620460800868353502477391481996774626863316596879500360813602907199523159125153683
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 1,354-digit prime (118 intermediate primes).

Certified number1,354-digit prime
Certificatedownload
Certificate chainshow step 87 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043272777 --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":1100000009043272777},"decimal":true,"detail":2}}'