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 #1100000009048452554 543 digits created 2026-08-05

Value

866520594289901491153819356858155474203924605942744768108193805736478119265971531485976168695450049738787999711819256885581212807948716147771654375879497348974594183072670121321616877804073531650094427530238000430081758795453898143645382452477235226425028281552741825900707706588800064260177360492579392818190651551569693715326659906694651547010882108960012846484645276593483519861641301089176820782328298246436205887691974438988973668041008709105306979845354693099986799011068597534449643798118468006292629232474655123553008990464566303760839
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 77 of the certificate chain of a 1,491-digit prime (116 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 77 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048452554 --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":1100000009048452554},"decimal":true,"detail":2}}'