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 #1100000009028284069 361 digits created 2026-07-31

Value

8418458108514301300349300640701691056680711069475964781498039462919000147783468472767145760764225689141017812821258408535461113641404797436653878586146596091175993765183519325660446120527328630179152900889204528648668885274496208695714252991120879996081236662672822833864062173785628699071464040394878539355160885619035140713725732038717635664373906913071310891
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 1,201-digit prime (100 intermediate primes).

Certified number1,201-digit prime
Certificatedownload
Certificate chainshow step 75 of 100

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028284069 --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":1100000009028284069},"decimal":true,"detail":2}}'