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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 #1100000009079970223 1,576 digits created 2026-08-12

Value

1867706074754235649224711032716978857872124410554052572731619928839390035500468451716484224512028281881507532427651446199628420569664192839175542192316159359117785534676782010487492340750528561368647628566593517232630550368676730074251480442946426239701174515004582211568642522670418312915122340444058351500621097731177623228404456824792704304756624452857128253937186388799566547093429791436867956107925188899174554140938911742266440713618171572808662474700433238323078688513385385371899245239757869644952404483653357637751803968364415927550763962869808458214846159335626298520690197308175478591185479236109132214143324123156140391154201704779735879178727795181107959394420529696152782724271310707144694289383272787958426652342058778620398499916885125287733306021397198876888875339188981308737021195472867528975562933217633324233379414351797434162872717100268867292886442941593186236237785835859737254639745922386135221268437854000487498079253054375771160144655039504229428049562006119190079871182417263669189695347860889499794870903554019043109781605264613942324532345625019646521433228507265329628897820382897764088137492166635974962403385843830820359520335448198828570405942640806761417177685963112002625523812561956083458098574521909582593450946170866827183885391289016056726334437552166178567070198346141488862943920920472537014342393976380131759402144513009938545623945699167431318776680597307775780795337202720691398731246430033957601231714504216619382181802755805561651519357448979680590205758800724181348186521151573220512246736262263133849918674542761000904821517831
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 2,167-digit prime (155 intermediate primes).

Certified number2,167-digit prime
Certificatedownload
Certificate chainshow step 50 of 155

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079970223 --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":1100000009079970223},"decimal":true,"detail":2}}'