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 #1100000009069978840 536 digits created 2026-08-10

Value

43201722663964155912077978064759009204445716605223477247467081942987529966173089208907467683165205593809013719693141781923983033054441401683357863823237135897449059881728802451020429006765690540061510443958380328486038595968005490558758980404419643638082402609886069241282744287092367864393026899341877682097818391861549703908672720335760591129253261714042628208252694960769506622502245749795573037489281529777800568682254337290291593770670606341762858547279013002153060184457736765752687200553633724237958791513172305754901065690290427
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 125 of the certificate chain of a 2,002-digit prime (160 intermediate primes).

Certified number2,002-digit prime
Certificatedownload
Certificate chainshow step 125 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069978840 --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":1100000009069978840},"decimal":true,"detail":2}}'