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 #1100000009054394484 987 digits created 2026-08-07

Value

219945157081282106532764584893896961180663579967047293835510888769241652657451186502740323197087785011214627884555041157897870175940205529140854661527137482856108023935910627331518937921238408487162678693336318941368320352130050189574644611799532065391626764042517187961327617006763643938266597018479081307907444196325074113959833252014755076351202072648043696536241202568589283921375778609832640760528833602988813705765873040276577255122384125891246185219330611296350249691066715478750851405898283480543556507641778062821178246562590724489499253454056525522987610737140000689544439696822865372404326343903525299025916667330267673086238985631266324224323550744148153116159101565190304461967351780409175485804231149084995029386487139329856575062038399132422209281570317130263854251749612751792515843768370186320601693833798815765671381698298897379726134043786350641153266682468884114306687175722054234943018226631373858789708119483100819313137871968117042643417003809945168878486923333949
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 1,625-digit prime (130 intermediate primes).

Certified number1,625-digit prime
Certificatedownload
Certificate chainshow step 49 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054394484 --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":1100000009054394484},"decimal":true,"detail":2}}'