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 #1100000004940360488 356 digits created 2023-10-25

Value

21844656438272236599697138253523989628738319044217587406862408511564477568771252568806762568431412635875519168600961290748858616983986996731904098494537724595536510435864599867236594915174985324408694593294687771753787694059568618036145022820469022136216467651111197545104128809199632608800669432316126737071202231237948320833010460261210627451004640455457
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 142 of the certificate chain of a 1,648-digit prime (189 intermediate primes).

Certified number1,648-digit prime
Certificatedownload
Certificate chainshow step 142 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004940360488 --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":1100000004940360488},"decimal":true,"detail":2}}'