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 #1100000009122751800 388 digits created 2026-08-30

Value

9454109773779625594143066706193774804808861096161358824946770495008313598425303536695527395821278835587796874532298911003274750995820562844906487224684896200978904728000725377204641966885993410196907347951000423018929236894328354299794362742003747789517494818753839228600181787935343359436199379796252176922057992630937876882832478291671297775349316167593496301023860856633012125064046183
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 193 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 193 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751800 --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":1100000009122751800},"decimal":true,"detail":2}}'