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 #1100000009036868696 504 digits created 2026-08-02

Value

127681718992192921828710737856852443867950858928363659197708849093230487617900823083040901641671067501222816611704776564525762417933833743295915888530005325036333668290801748103905896089216193330933494231022264821830324802130561261371013548534038464845549707124399484340679160957227889424657500474126335445678665532552850356606913554810363333210227670487889948287331263899621386363283167016866103131108518122862216967119840407067902808670645698819264101982499198313353133759342976536745577458246896614771
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 1,239-digit prime (98 intermediate primes).

Certified number1,239-digit prime
Certificatedownload
Certificate chainshow step 63 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036868696 --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":1100000009036868696},"decimal":true,"detail":2}}'