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 #1100000009127306401 300 digits created 2026-09-01

Value

205315426463737862851758968126455562618193823485987818097748613106801569410425003305465556843393560485841660594093574604920802698808525207555057427502493393658459439537452844003745925938054382622969849805048073555133088405404232091247734781803479365890191387193983463253528303459051783668244451841393
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 293 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 293 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127306401 --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":1100000009127306401},"decimal":true,"detail":2}}'