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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 #1100000009041244619 1,289 digits created 2026-08-03

Value

65148047570273983252121072217378239089187597771054104680167046499796041142395280930436657995126815898339643891308765953915959885702088246040353517918561488429882480863428451371338311767085791947307183572622331637376571979000666948839433886509691259250383916909847095464893946133636915925177770132378078483980046977852257690406676791484593136503442435967809241147765874990993680122010858287416274992795966070257358116199042066068792044116108617869628719318498112617435711517288628675962111235642555125157058466536740847750958773608443985601564439919031468663375250414303591034515066823932833013990813903993368616212712632113610673045549913673812479407557253735529096901197411144308028352175266803507224991327560511161137447355714517258561094084033679163363086531200403758046634650568175729582056279575902965343749020827509640226679359741860436502384703787641010768307185297868872457981532986163627468427149043201980621464455433963994450815184873982394039335388750737899326010983406435081841355317038504381403890082736310188915163639279824502259428452425416133834182710968534510702576829014725223710080435761444697574382168046385330739672771343131436238268594922134218132663792900790479147777507876868472715007975839503412450961865975129129011620715217116447404134241501010082663727143189271
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,301-digit prime (110 intermediate primes).

Certified number1,301-digit prime
Certificatedownload
Certificate chainshow step 2 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041244619 --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":1100000009041244619},"decimal":true,"detail":2}}'