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 #1100000009084007925 343 digits created 2026-08-14

Value

4994894651604144227051916014508442746114131084108485718999097752990016732126547447937064411750722253599253527612013222307179860687132665378406164419454840593344525369304780647576790075998126072603658961404522641776419912831180075556843943418799428562122751731792764495690872396967843144400628089993002434297142295357706664220872449456428327289
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 129 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 129 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007925 --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":1100000009084007925},"decimal":true,"detail":2}}'