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 #1100000008501823205 685 digits created 2025-11-01

Value

4971114651263555967519830635437110509854264930074560558474713662166965375079702653605948668203763509028946300321459217730951607934327519195654917979278664215209868083764805691394044395730674472365522569992499101294333727455181833535692685759527056279289024304211623561846302359154676388564825885798702805131910494167629239569987050237360303707702531357242624294427558670193145625468824172556386831629586102138547807697907606090472260377305757048978863592336135511985262080372262252011360967728575884899515688753527596562644492841173841617880573332129674310491968971017571350677016875853035197158496679478416391861801794280869573963066712808460779191735158520396339128035479107957662709
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,220-digit prime (128 intermediate primes).

Certified number1,220-digit prime
Certificatedownload
Certificate chainshow step 50 of 128

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008501823205 --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":1100000008501823205},"decimal":true,"detail":2}}'