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 #1100000009018917453 725 digits created 2026-07-29

Value

28180807014330030461153740726142182245019806678559950534529642831902679991710693081564692142449470446196006029290850904638296525981935145781478300935252653213666685707650301735963971461612360266121017661861521453433898097723776125576008632060629592884019271608511566352055950134086868775756011927605564324663237671321619798842838529248440151652322998988161927900379778766074788861586074919441099019002694564699134582846911165366915836609845553120330642480721257756169602150797290112065313333655667806276944840351444893028364404352443488675656292718763530698156658237940139313988516006534616114539157481344887282192374841075459672021182374896008667417737503115008408005927310273216664206057556823831386616280255310920545938061
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,049-digit prime (68 intermediate primes).

Certified number1,049-digit prime
Certificatedownload
Certificate chainshow step 23 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018917453 --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":1100000009018917453},"decimal":true,"detail":2}}'