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 #1100000009047546254 318 digits created 2026-08-05

Value

252819117803100653978128654373499583525915749892991429296909617784563166876577634020005271783996756763597479653189224962648008050449379525499565317085862375811855581426647556995222037305737026704255637518176941897440650081624717121578747979273377137150133761965436917539105164026511791773681072969285518627018465322159
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 101 of the certificate chain of a 1,461-digit prime (122 intermediate primes).

Certified number1,461-digit prime
Certificatedownload
Certificate chainshow step 101 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047546254 --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":1100000009047546254},"decimal":true,"detail":2}}'