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 #1100000009069117012 327 digits created 2026-08-10

Value

331388271169461805101984307108514546534945928093907299800479254623350735591763428542037474857998060263147735317702556378069839845093683020967042503987054964006710508574912688258527403710539944389337994723361962442579140064779032382179068857269388213611880007070961666475504093721381502883875412569121111857682327124317876735281
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 133 of the certificate chain of a 2,001-digit prime (152 intermediate primes).

Certified number2,001-digit prime
Certificatedownload
Certificate chainshow step 133 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069117012 --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":1100000009069117012},"decimal":true,"detail":2}}'