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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 #1100000009066301133 2,109 digits created 2026-08-10

Value

813083640019722330279147831981785860650749325666032852053547746611022705890811714966247371200871185830499807777753245085055653854567808774793988933481026342692067162142747319928910710594828775747640475317029120742003982680613296754624512958091000464330617635033822922968643637671750274882873743403577626506278855294072819280492737518242409509404326179171406501731311345722274011092998033284564176631900142778573469471713943878754367522152809088866712352386072864399641935499647558569544724138255449104025511617905989933922129375121956485675611807059471120965673663614503376970147267064238150339048810642897438596867269321665136427571652231977549460539959539132177247080399554133900887401507115721942571491043728893743202583647401182626632758308377068650083498896064088111362093901879560839800377109824923369130059201047818199855867186317162637165748681147281508685557564361235595123332338983237853909853800730486998217636512220157122506319346476921636022116130215902139845234084482242111433342646975384296323732598745738954493979139643154534295716812865062213986168689949884758911198288969334267945510968411400922521253453496146358275793566750971466487965048721527189920631231357629157986818529356180737217561399011440202992554396628947442773003761932004588085339269520061496962026179100901495342249966424119670555062753537264579823846969535638823672196661191443170630716596110715164838013500556479228210949725863552031849517508174812456905132997953439024054840407354502039538317244963437319320314337589390552804005784429137427572107641333186955016052796763928843245257012628729380744348605890590527498542466839934641644127649044511641216338230902031599234196296156605480921300452625368666139149091363752716589690663970906795611622980439346978648207069882890167704855090444034173370128667169593873421246429437544773591459029475159513150632079299256697766764736951043303644108486006260423488686921773909215519994907797168553359077364875725884667588903550885391980904695975533661293684822692629082466293689938945374932789528553264207045389637494018334038328604342777145021236497039956359682738867723545139252807
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 2,399-digit prime (184 intermediate primes).

Certified number2,399-digit prime
Certificatedownload
Certificate chainshow step 22 of 184

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066301133 --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":1100000009066301133},"decimal":true,"detail":2}}'