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 #1100000009047481244 524 digits created 2026-08-05

Value

12551248771462589722349230215026986517844257331360982232915625084453303806006228673230619917813596437249604168553681603842755996166214766773649581581240918926592374865782195632181903526784097037546759212904112467288805825813064921028296739136534384126901303373258131068056543388340066526160097929716107501975022742109410331996471768850397796177239432207602707306743494729399983263563401121321601049748364374499795226342567275259831782297256492440470359418799793595529396590461201968148908952232841551611922610834004846051373
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 1,459-digit prime (116 intermediate primes).

Certified number1,459-digit prime
Certificatedownload
Certificate chainshow step 79 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047481244 --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":1100000009047481244},"decimal":true,"detail":2}}'