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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 #1100000009058252819 2,176 digits created 2026-08-09

Value

2504297761908579399053764716027107106556732525277796990828602500132511093382765244263160926940691865101085749764031492552388864458703965534199881957022758042290978665623623316815503116853955334050883043957035161245422359608626127553737293865130193699916427154927879437617708659437245622969842475064507638174573717161715133518131006763651009230144751940162362388637713679121393770130323880632791629604049057591634817158366198291980037423912763271302607126178016527567255371234870667340916481311589889775604299407290252265499982139849242783386568948030816297656668499677897863787663929337039666328628865539091654121718585269813137402353919038993393269890610644727162314153720324757612423353247325597763023178930917521163804173603444048065949424429325052093668768890425393532877015782881184500243595102031232070130989072189234364307576817272208136124026741215432803904247888301451992961954395295468359888018626813679286455083096559279561763377333302813505594937734749718965857433994957906159198483743013361947657127540481761907237931746599550889713205887421571769081906877270565297202805319144069198292095446060586339007636140509938063473943601973934855587303448039132645121475941861407624164573890245548100713111283638192959237058772739745510298373606019866182876377678051536046946065441059781964468103147809517984987935643455371149054395874738619176898756207313805197413126978303805883148185753289075782579982433129997095571716330278643344077135345112706849483025516064975133244847530011156564765063240456003237607658628999588154492495682255904781297085397189958819018912876948073316662915148082121196598681677265169711792362788786230300754714729642278802815465918780035674007817621600281322638120349339594624485397627170284469951338995006886800155912804663224936368095587746135428723133006203286547295946599135334531383193399024100983911406589661457991636382426699523618436496961528928847903667998807622854333255280664219792608492018321139795192847859593396218308505315052802797381444434987545386802168835984058886737701765204295284024272363216364949704178211289073152658835275522812269793211645469244104357278789417211640526338831924497955107501493898357676057995510569292889
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,362-digit prime (175 intermediate primes).

Certified number2,362-digit prime
Certificatedownload
Certificate chainshow step 14 of 175

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058252819 --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":1100000009058252819},"decimal":true,"detail":2}}'