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 #1100000009040619398 389 digits created 2026-08-03

Value

31417566712348859853133897277274635422054546369695068477633110842009351960954507076017042732335979958957607844228896088993766746883884127641426884941200546810485452296392132034207812591098729642790445191652832365010265618093301138779883366300482721969768752760383139632954854037716481211357288021164130987004872504109681411613837802119544930396199711528788907524680969058950865660307728481
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 85 of the certificate chain of a 1,275-digit prime (112 intermediate primes).

Certified number1,275-digit prime
Certificatedownload
Certificate chainshow step 85 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040619398 --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":1100000009040619398},"decimal":true,"detail":2}}'