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 #1100000009127306364 387 digits created 2026-09-01

Value

342967206317449144332609987767976255678927296505772848308957754777591738058617833283479832561097510141352584609225549716874618847505362889758449395708940346129688268601224930377289921173661385875362944755080978701457027679171553624329987942306775600986384546004354011454058593493575485550616368885060407330882289871596957130541184806191647620440435614716378731907460251256318728606186333
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 281 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 281 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127306364 --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":1100000009127306364},"decimal":true,"detail":2}}'