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 #1100000000295825509 1,036 digits created before Nov 2018

Value

3969056210047532305999911780191224879252832334711850095473962983192879308224780994953233452899734696870791613448472166932076667651261526833549616697815970265532831892567865808608975170185603586148193461985646786893863540498497893625692784152380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952380952381
term (20^797+1)/21
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,036 digits).

Also proven by an N-1 test (Pocklington), base 2.

Certificatedownload
Certificate chainshow steps
Uploaded byMyDogBuster

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000000295825509 --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":1100000000295825509},"decimal":true,"detail":2}}'