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 #1100000009078966666 421 digits created 2026-08-12

Value

2284119898995426590808100336053167625359558984773126468234900128673099584831337835019538744720822398459876337447038916375399498881960596850295300845729338215236802639539153018909414532870415569328817734539448658213625186442190647781773989791073542109399573243817740374602501709867339227766535079333081009443605240212460634612677296158178474204737592003965526434130011989174068153271069013019699514475982234138331662998811
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 122 of the certificate chain of a 2,038-digit prime (151 intermediate primes).

Certified number2,038-digit prime
Certificatedownload
Certificate chainshow step 122 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078966666 --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":1100000009078966666},"decimal":true,"detail":2}}'