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 #1100000009048661825 911 digits created 2026-08-05

Value

41288034192385467296168926590701324756455940050268773292961669513783719483347261682238516105358034675653326433389732273548135763876913292465606103939810844124808583691627468404711353599482219815083953733952558223168651328144458122869398190773952715092192082204966060480851168692828506686688445335621393092258768532482961655443947101427708866638356875428091368838283614487752641791566825041095838874343373041784476801575943161995716729089448746600815131057732807279148561837328850270129337741699340140629824306400866927178605624571660275033148240493678327129476553651124577188735053839397512658306692625119334985270697960066128671830714470650501123414848509384385980022243019636502205926623005566641111292164214222416301626060721041258903892085687104827638985193447688079674134443259583407129427631628087479210862613363720847355182407639203419775476665729789311426482402499340115046351359722832320088579617159927
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 1,499-digit prime (125 intermediate primes).

Certified number1,499-digit prime
Certificatedownload
Certificate chainshow step 52 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048661825 --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":1100000009048661825},"decimal":true,"detail":2}}'