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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 #1100000009080761566 1,464 digits created 2026-08-13

Value

841634669497394276976578877531045474734414709506179740423343887618459626143081922923326047289732490867974887544751660247165765114982180669468575102954334287045190398137307531266451090326806853368648084410941410727256712800529915291130066977471516978669728004039356170500880371337870007343170630456364263448144757153421361963820517001161458823202388293366086657469454774941341759442952403552338815590451551386743292414797164363733318960085674271864054133764972775081361820136030885816284333714554388497319835487070881792336866753688755922334375041674293063452976729697042934956333936964215770464509541964712642243374054570928772595721728937951121727473715161051687263137253070624062147683573482807144067791252171310827522772755827725422967292510696236240047652285523386912890723421027238104948695653863259286562561269051678726067266306438603095367587924193219096900519317596057756417344459847811908033182510631804344476509821902832047393055516762792448266060244056781975314150465319225992115880270179199746181267108687516275037696340763800930982313859953794127839441013678864530761370119945314589430889998782884249189070279547431238285871312304950819516639843213103450999495838260880856595231366545177417989793817378568356998250740363328950238716208580080097318264199982574231271518579233016309046843898266459752830978115641101843577532113855192213306139992288842001984634510253508205112125901004087925346789979058961509206018164460468885033361346537444091398424263
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,184-digit prime (163 intermediate primes).

Certified number2,184-digit prime
Certificatedownload
Certificate chainshow step 56 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080761566 --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":1100000009080761566},"decimal":true,"detail":2}}'