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 #1100000009047821498 813 digits created 2026-08-05

Value

919168400093371820267652239707591310769949944582557241830593402245345584701260390370924519200104303111958546428555583029655925024924265208695894510625871526351257149886114037126398030810535513632372252092920800561325293979299417778675613027518085464291664158051356099689875511258787873233125010817172326991147746167138527136246264125511010943926915402263279862313063748904969982836523644181749832136144208244641437742870879122893124466331649507116513588757739198893652851816063258231965559650782685844682319070591121778069665199261186077585992387622243128192353850466553706633311957633653899120579448036229435601892046302713732459231572774083617934373454834431379545485768343633583340643437934277954436513480464322627541496498795046181518793378244638126334371494333267117817710840435659303389232060018381085734179
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,470-digit prime (121 intermediate primes).

Certified number1,470-digit prime
Certificatedownload
Certificate chainshow step 57 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047821498 --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":1100000009047821498},"decimal":true,"detail":2}}'