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 #1100000009043272762 449 digits created 2026-08-03

Value

12918780212808280117473315233966065288045539650322574565513998709527916594677318017217144397356124357752839536988145609628992763724421577279623249972008087907813657154532653070228079393983065882460234325021104458752661519203174839804500907681794052327051799628172707507540519309440218445597826501769247375204792294215794670681521877466133376171220596806095770015004586024361991086990064070354420761639156215010065923574015774094680129843860762106013
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 1,354-digit prime (118 intermediate primes).

Certified number1,354-digit prime
Certificatedownload
Certificate chainshow step 84 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043272762 --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":1100000009043272762},"decimal":true,"detail":2}}'