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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 #1100000009104084680 1,827 digits created 2026-08-23

Value

951770516510735022609068844176965475066406419216405331932385292823858943729500987211303334850202201274920240736144806567194506402407367121738590573390755474450878078595028664816085568775084247616464268849039778277432859437694412047145612739264609502353124741929987999121772010037311563222283236895779028754154245548867396546017905018642527299326637725761594567266077339337993206050088409067000156685919495223003239783501418740819457874259550504830288838806459168887971712872780582567706432440063526722812571044205391624069869387339283930164253708916256831632645531449355909166522990964135460440350981898264155379625529044715709081913341847305253473014727928516555617489183198460140464480322716034835144230913424241153092200543399305894955129750149606464461040307830144852319966874258342585307683194586387203782277338290440434067964018102344901870804569089369900861691425041451747231467888891583058089602538645089757981770254829230785701818958718110269516094665900696612245608559641717468700458277238755758046915843523547512660860048870828205577252531312336503174942972755491418504343637688442501927797977320147690443402863608077043484413265615366642955665939479965041173008447353092795751828926240210271205451932070968466501294137690118584500673534004777023873349948302943072664939831673850550160651674807076977772641075616036356219990603543204821953854129256397493023804566813842319243681058373550011509234375774810709743011771256316917120912603819252153682805643053492565624214444875376451171558321042831820370472510786649513481140703497592876251597045928939086237336520529949434345417612163152283729273706031268212593358288789799727949874449264448822271684785499555942152315603774864214181948958920446406648470475451121046673592491841685643930229044757446556987447144456254823745583215604253783409209495029943001650484552539
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,989-digit prime (221 intermediate primes).

Certified number2,989-digit prime
Certificatedownload
Certificate chainshow step 90 of 221

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009104084680 --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":1100000009104084680},"decimal":true,"detail":2}}'