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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 #1100000009054428139 1,759 digits created 2026-08-07

Value

2837609835708985778714784038965162273321944384437925620621072115848843115507142858092014590312935545647052837687009120590242046804038444077853144160916541064514860768302831995594284682190108806121126951803024596380894958071921322572255563455918077470682652807895683675961441132163910050612496396197986816477260893800572673617985526271588229471141030965834512876352674839078319987912852760200278742434459547904388465293133193096967518359936601904711383470572663758198097702241743884101536065946436765553178153204429115736023763104959708889784138113551625389836716466444599722441466965989914306067593053211868005552134342102792520675276271037744765071995241288379871295168303754246923319432340481675933011783927416628531333707260736597948608787485687252283096694337287267400222036699553332183174353051096120237800937475236542813561961212626916507304392231230658417321286642871111485652495064370040534534774650627737118735641047972995599500849544931511092601950414115256806932853405156832807051360877716028497358200469842369865428135153110466337110363552206629989620240301176575503314823785589831104481012732850978442506306845143758359334406803059343004437388813888043007376655110505468532160711736133299497847215542862219511780553132553905462871862579186261233217023282556792967407305044301430068246754877677885159600008936485752436783192288254529146055781464064685293066616199148237133870112401102151644884322519412713548057942479914220137875051146908290789958337003876285284534405726999566289954025165433733870745402769700559485480868639838818505478524364283544343191693951593309251481212835715561629947490784790449035064878053897046698441174011180310951116393094459016629283554000158461338804173705464294139943452683595605647984754920986689836475625107043511
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 2,414-digit prime (175 intermediate primes).

Certified number2,414-digit prime
Certificatedownload
Certificate chainshow step 51 of 175

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054428139 --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":1100000009054428139},"decimal":true,"detail":2}}'