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 #1100000008675871963 447 digits created 2026-03-10

Value

300174099156161110680983674058051564615184698698715010254965591254992588995026996611874806360032355666256638316723491730349374342324032699132873940451690050593809414581070903119253806282966778529449743709849115184856121892900731978863839797811451484403176290770393990450747920242886550067221942422632046754941512008153104807173409858532140918623886273486690637894893191105405018776491691280578541068577046089370334666144451349739803242364192167421
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 1,141-digit prime (123 intermediate primes).

Certified number1,141-digit prime
Certificatedownload
Certificate chainshow step 78 of 123

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675871963 --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":1100000008675871963},"decimal":true,"detail":2}}'