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 #1100000009051742489 428 digits created 2026-08-07

Value

90975971798899446035954242958903611262151528169707984563968524304372837913043445959888083058066562827114555501706215392177612251736954932505574830985143717000693605097828971382678576898781664775123635353972147099754718451699703017017868225720136252554843799359029457042637959413638313771600449450403972141799053456677318520233231596464265060984440120759219215728865734150802763226820471346379896089143474708126970186445354927119
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 92 of the certificate chain of a 1,567-digit prime (118 intermediate primes).

Certified number1,567-digit prime
Certificatedownload
Certificate chainshow step 92 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051742489 --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":1100000009051742489},"decimal":true,"detail":2}}'