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 #1100000009041853671 461 digits created 2026-08-03

Value

63138491119573900144264453797323204176409242281576241705729311971155070252920518102263579794482953897376584615527004630991049414710193880262324742268206614454874002487378264829229139374164204986198160035789760982837567467730196781433864241094162097235741784975833929229188212633045742602084450563035387878620149975827730236044444248810494622799613170908482406933241666799139385439530364778021919504450840568621784210469839537596185026253562637849761918519499873
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,306-digit prime (109 intermediate primes).

Certified number1,306-digit prime
Certificatedownload
Certificate chainshow step 71 of 109

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041853671 --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":1100000009041853671},"decimal":true,"detail":2}}'