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 #1100000008676651875 366 digits created 2026-03-10

Value

248301287918603894711860320438343500272355514088013562448190619444898015115353926575433692079053465810962872870913628300989473163146635282519718976604287720630234526097281778020035540687993807782433709470908782522070843159996585906636648906573321169621719813159668878944098277440428482012256888595563546420793893188443651303920666753266662216851159965260417043617523
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 200 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 200 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676651875 --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":1100000008676651875},"decimal":true,"detail":2}}'