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 #1100000008676361471 351 digits created 2026-03-10

Value

282777312001638517121080382039525390420739889932323201432889422947911073807676794645905784846824611749821633806724344451882018944131827631669538054456454975142420878831000118114767379402551692806738323316504827963795745589346107138329402301606784321849077093198700884735613888132026945359391506479307395742838056403092997811012289177242274092238528877
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 111 of the certificate chain of a 1,418-digit prime (155 intermediate primes).

Certified number1,418-digit prime
Certificatedownload
Certificate chainshow step 111 of 155

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676361471 --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":1100000008676361471},"decimal":true,"detail":2}}'