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 #1100000009075031509 399 digits created 2026-08-11

Value

554457892908071204459559495891094789800465338835735300583995145580946979516058660305022232477775411702973220243316295292708171700161849673558380616145675221014822254692506068750200147689776626105206784059708116328613671271650006099596584245305667693574846076116931492952847440261216642541697636531699602119030631776599541409110737408392340842331542611182883668241218570484543414635934864842141995397
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 180 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 180 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075031509 --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":1100000009075031509},"decimal":true,"detail":2}}'