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 #1100000009055124709 450 digits created 2026-08-08

Value

212961120339122764912875201930716803638345877425371767746858629144381596713377847317552579455568716947679503398466661620338071336784003797417924337294807289101041952624284328622593176795121219044569747912326810042795170652889377029644024256160816976348713221819063478124602307270021926744029758609272053400674620602390352254424006421465517726697716945044379710751073551118042155593495546117140424927395392812617201055291347649315515767131306863092999
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 154 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 154 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055124709 --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":1100000009055124709},"decimal":true,"detail":2}}'