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 #1100000009018820218 363 digits created 2026-07-29

Value

111864864771102489818737063077876084748255186076420032362710194893467131027278209484181580041291224383294608772698297077342529167105416308293339418788840702859780286037017182404994850011826585202841393523411832598684818607212700756057196490579235037040485181577180516237531362142981301065252065394509825184685659032069436178640037747751236878929988103171970948593
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 1,025-digit prime (87 intermediate primes).

Certified number1,025-digit prime
Certificatedownload
Certificate chainshow step 59 of 87

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018820218 --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":1100000009018820218},"decimal":true,"detail":2}}'