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 #1100000009047329919 429 digits created 2026-08-05

Value

285375338903557360970337142854324846938839474943336142163365995969011832233045819987624513433974267745544140088665118788819941057714721177275390335529685129485963950874681037682443262971777023072752058159248371775738256302788072778636436793129895483134462905200729060496749822909974625452891218529858139213527121750146364477491869037467053108607253418513989669691544336381045133384728092900109760428520064460692133056255520402721
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 1,453-digit prime (111 intermediate primes).

Certified number1,453-digit prime
Certificatedownload
Certificate chainshow step 80 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047329919 --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":1100000009047329919},"decimal":true,"detail":2}}'