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 #1100000009042288153 502 digits created 2026-08-03

Value

2742451856237071383317024581167694501549251807223237533684849090497083911423269932438238137449639745393158898250361494201213692329876379844139078893886906380226995650300287072034212697458174483701225050448528670769015848100936309266610206629233118357908604574062806560654762905516807544371845126599055466319608531416462120183695299105190209129729944512590833545271155596366146860884863807115359853558048137794386788719045157438772746628683662273927479271882883601706044362099254172566518083292784582929
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 1,315-digit prime (124 intermediate primes).

Certified number1,315-digit prime
Certificatedownload
Certificate chainshow step 79 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042288153 --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":1100000009042288153},"decimal":true,"detail":2}}'