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 #1100000009069676821 480 digits created 2026-08-10

Value

676539049811145946291767491430139245100914039790345888256741146157085005017415972433651530912325436374719706651063652236477523212846987910668131909508639475793186702400804761730267183761130413935966863888264893657624168484958003465669614717391291592414692980913980201538082412800261757281385659106599655234356995226712751676455244948978267803777564645683912929294169899509188555458927948616047791275759492644388510436290727371146121328287081866638111347629103278068862908504664693
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 103 of the certificate chain of a 1,760-digit prime (133 intermediate primes).

Certified number1,760-digit prime
Certificatedownload
Certificate chainshow step 103 of 133

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069676821 --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":1100000009069676821},"decimal":true,"detail":2}}'