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 #1100000009066857892 715 digits created 2026-08-10

Value

4224228190667615664135858449135617051167396469234091450520470377392976189771621653851249612967831323635956790320133873142355830460879370565097709351558580187716303177651392917713970130686005855210558237320748356747421084560656415650613060616837238488524361849340814298081031380922738728058029696306519286997525770196318829871409567942304300012785537615366221382297260612039823774264787314923364630835819440117380768504076541784331433724688860685082166784117611103687739632035678853041547843752121422586217521303219657943100183960954325447742665174187417300388562677909630335877934574503014372224238200265763980097993248378276040270065369822385842006297177719913083862035857321030617810351440059111576452515425444729
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 1,727-digit prime (148 intermediate primes).

Certified number1,727-digit prime
Certificatedownload
Certificate chainshow step 90 of 148

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066857892 --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":1100000009066857892},"decimal":true,"detail":2}}'