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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 #1100000009080223920 1,000 digits created 2026-08-13

Value

7467921877564004964868788298627820556044683446850859410608267332045387308042580516866190912354982637673480427612522707130006321723151442743477530548508103352700369899076266613821039615000265176671627820861992915729268895041824764337072960271984759467864450655343672512364716395498553277253727484197216581957494696290157653993651358615720744421486644221188922262439086794911494936468076101312781828168049098979546602518971371399120510042075906226661790114914596756798878592636359895827176077886747408014449170150973020825764302639840435942244368628535677149239028832732737440699274034274414329085208613198388150877281385457282498364580881377237424302855522024522185434889706489508467227821688003526493005643223275618168911669755077506621095932947163131281901339191939973416783139944587559448384040787988189410807177285589038511982251101171907137104853063750494044740271896731607001363748946881642339270176612638189655227696535972897983039735093893319245195167001908764648315509504056502437665962405221
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,914-digit prime (148 intermediate primes).

Certified number1,914-digit prime
Certificatedownload
Certificate chainshow step 71 of 148

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080223920 --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":1100000009080223920},"decimal":true,"detail":2}}'