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 #1100000008676532453 641 digits created 2026-03-10

Value

15400562448987426414438878723625338521180621129228080668122440628370835748794394459783270097886211888227330766642004052096976573226872343489351070344123247839936552199683402456554874605939811995873695763527487011666836674821483152245401669045579165970230756624917589248467659182913578213234637660118585919666598611278853108570902491908136289301353245652617012126458158752795912177238374375994236584078598110651939446028463553204518474100268064467471655084058675722028870889336497359340885857836914612911128815963313455481642473975057831516058487528284077507701393472837697766097878734801314947123849013400934921413093409155157163956914514257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 85 of the certificate chain of a 1,448-digit prime (161 intermediate primes).

Certified number1,448-digit prime
Certificatedownload
Certificate chainshow step 85 of 161

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676532453 --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":1100000008676532453},"decimal":true,"detail":2}}'