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 #1100000004990647521 781 digits created 2023-10-26

Value

1800223658711999564387767124541982843447850421689543548904287191161269350771783178589839300864610386635301918686553124068770242456574504893792702992048642135137908682422005284935821111854759891338754290584770272786491300762480999233202179142061717695424835802048979644872740706088073360567668460170123987550234970345456385344397985652342201937849802755844101188684246198445512384667148310331827764214031545447079488623755745688826151587637123683376459210571375262351968526947787539828676039752443286365505223918793650586300509769471782112991200347249613801552540257990790271597909789957701830714984170861393605749483593347668735453427775204399840322008238308708405455203653547535174825811146164291104370635674997208778889303738859472231615359128176653543251830103006238889676860737
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,065-digit prime (140 intermediate primes).

Certified number1,065-digit prime
Certificatedownload
Certificate chainshow step 39 of 140

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004990647521 --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":1100000004990647521},"decimal":true,"detail":2}}'