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 #1100000009019684021 396 digits created 2026-07-30

Value

694545554154915370943812169890104343783213158722412713671830376357196744171928107156437799389273983051027926181814429672799448375981071371819428737629622171932753718913209342772656472176655981686828600241583294648165273170034563372216442582043522372358344067848633524258209622182617666771240485584811743380590737965367783610774134999705165344879846293412960548473878492881523289958272558356109481
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 1,113-digit prime (93 intermediate primes).

Certified number1,113-digit prime
Certificatedownload
Certificate chainshow step 64 of 93

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019684021 --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":1100000009019684021},"decimal":true,"detail":2}}'