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 #1100000009018917530 442 digits created 2026-07-29

Value

1209746404317177115896934453720529701799225898639566575086767860092705560241818426557926974721133659068134396415493163146733953778055412347966713539144597368355372098372570590533119039337638876532864080785833083813605149429263573979832410497317495715989511997662844566466553735996032004331125190852967408343386986208339981733677542245433473195893798781632103123764228308252673994987801997640221912361361896297037130318155829083497181611045601
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,049-digit prime (68 intermediate primes).

Certified number1,049-digit prime
Certificatedownload
Certificate chainshow step 43 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018917530 --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":1100000009018917530},"decimal":true,"detail":2}}'