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 #1100000009041853695 418 digits created 2026-08-03

Value

2506451969478364459196750113626630263555119415252096672061858721840987552595661793114148343838941938656115734281053365361005982138659872415610109185128711209367413258005314176274474907301101407731105780812875223622018996442278525672735362740800998981018426157918585613150813318886830808171332786326144286658387004905664152245544614939985721329668308557958490696030348798594532598835847262313394636623971613972714833703
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 1,306-digit prime (109 intermediate primes).

Certified number1,306-digit prime
Certificatedownload
Certificate chainshow step 75 of 109

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041853695 --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":1100000009041853695},"decimal":true,"detail":2}}'