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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 #1100000009070810996 1,065 digits created 2026-08-10

Value

886662669646177239098861963697094808554386068515626334604950780469036994028501428908652479057322676827766344359865519390452039732721004379564067801302733108740634021098283994222183773256193171389348495162021506780015655848568088648427248691256489029366731354777051829091631245309908562497841955296389370182988819415191933519201632450097611099553747530126420130847578696035652361315812454734098523825758942027158725061046157987788693859509658217667806445311418808674734701340339659946129400139194685882334447636555696039518443845139918914851052864959673841776417882957753627149025024615962793706973832184480729634147700751763567613984286322589656535343129637019616636817104246904059816083460010359747043217926701613629718575740421998252982808239376959744640348701976059328226115463949666134981663492718203573897486146292202881739639960148764623785619568315632705333448175588568705883385015983207149742793941492076331452428782424358907876825450993830036406267451310591512251613138595526739113620698606412040559155042519517591931513280231878361744829095094648631032299
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 1,778-digit prime (144 intermediate primes).

Certified number1,778-digit prime
Certificatedownload
Certificate chainshow step 55 of 144

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070810996 --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":1100000009070810996},"decimal":true,"detail":2}}'