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 #1100000009057730378 302 digits created 2026-08-08

Value

12505907221139973716268611872706156860916925248603792581954562920307948191873909198463909878710470070114763649590540812841952613166497664559861031372497703187809876233589829376636696382603527738441592967328822151148950452275659323721892002458222025332728911751142191398926831943007262859338525817006859
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 115 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 115 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057730378 --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":1100000009057730378},"decimal":true,"detail":2}}'