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 #1100000009051742485 468 digits created 2026-08-07

Value

127548604348183948481073684714406606945983439894532544011363554141991953524936059041484378207981960872272756846058290526969629557776618211231042756122551202970986032019567873331659619283564877920440552062438059770308442345287054808641242765572851087647470539709253578295193299102115486876341993363617252436179186871334422756428888036017849538794467204387245458790506552101431075443680029642937354387463176205783167903207848712604428850899869787879891592338872703709883
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 1,567-digit prime (118 intermediate primes).

Certified number1,567-digit prime
Certificatedownload
Certificate chainshow step 88 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051742485 --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":1100000009051742485},"decimal":true,"detail":2}}'