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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 #1100000008799243796 1,021 digits created 2026-05-10

Value

1075025696572590075547036710617058918042887882188326306295736417326245818023407955411310474569086031688084018590377647269555856471877408418851983221452958423220739224755373025612331379936507889252600298767842754321074821010049331098674649917416012627119827845620761249435644427820998468801522969823187841069956667600067579290411139090819059443648139306261156454762878975172947006365465371753009186560683545599755789530857831331256343181426769252028435611509244622964354376278974966603729034556691849207796087781505981982709301761137763672910454328456441650648461600063400636452769376998822677769483122940677536697553668116536782691049520873666928809287560243358877036000540298341877178541417521081118435927722150130494305714092206976185456310921227895093562339733456595492541009072332687081880748488475816987740962850338323734632135161861423199106734353232463509314954110689330861288689323250655567094293440773994365708475930578825478413759783052743921836670274639153103509778246147932056231381023526585273774326050834583
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 185 of the certificate chain of a 3,883-digit prime (240 intermediate primes).

Certified number3,883-digit prime
Certificatedownload
Certificate chainshow step 185 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008799243796 --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":1100000008799243796},"decimal":true,"detail":2}}'