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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 #1100000009122751460 1,007 digits created 2026-08-30

Value

28997098140066793677675884477476567385752600600472579379100080694550678192944029961094302070801816210450755976600458852486618010444424396226218428014187022129212801668727748469688746066672834566777994751810580330593118734239548799762522110301225758919949872488228641905032576808357397652111936475277104234601282781686331102100789877703791433083013811869208024790403027068224140959327168759744265712857594799511803563241875424221040359019578373112300793889102898870827879032451315498225055687823146139834339685258361724583771282372835707838705149284127164491545347346833785752158411396713337949543083475576087325856204462018791561790162614879953655421249793636481097734247494077835486593354620066779324845428517739141451148808631052238909423441531955441990365668047519525597003798656089013514709281002210181404166453799415922188414687974054264099463479341861602974761334155855895251335743105919394702144260673936164214468705718141768190992409621385405146690487741417728683489330464090474346711782531564013817
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 122 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 122 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751460 --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":1100000009122751460},"decimal":true,"detail":2}}'