factordbrpc · fdb
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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 #1100000009054427708 2,333 digits created 2026-08-07

Value

12553228769163835225502570877968306129896154878330992250475620261707065567076965777052293354526315216746942792659845154801685925340958727560702794136995108284596664478441603649425012803634307913004911927315042165044640848581638612784680858713970349748182102415917521446142477613141471932459017274437127495994975388321761430419221099766180104315916229331765378794803099352778007914280242485904443754171369601351227615465569726074274265158934111938218699547112870953347666571883342299702617562617186732147609939836223483961951039985465311360286989957089964038357004797921796566729133018149904362688313193091858044368808831107155098816426200693734990625126028316375281186479665108224623433066228749354143434777637500329666261028796082877315028703234327321731891425817446382997154646003640303913439548197413888209097204148824497132253453151746703863620951168966860502222468261132372283760174704353284118768046808669485354110242717147105704872605721452560883458176349981055885184832241475418624909803787357870344721668632664296339374737979748142018963928249673617396375651997934370622626813137506225630001950207497171435692558599980588380823289362271239300544789127912322068415802658287724238954371441652521066155861612836449177112238216711226099187395318802972437316555139669999778339568388036852833577721108570959314027009486537437008995790851415364897235389183577009433894821996107168437867102038004190725880674267168288101296379109015748096482695944119894358030792036743481419130654757462464460860245061826522108626807477720800378842573981110590582537057550501851873444687028758130935184222712428826271589227429816764743636003383602004964557718495744180828587124727284489588821935275688430878740944156716474410764624420417877829992012371595018839308955136066935669184184030447348452698179077736855477752784725078690817460092259878987374075998433090656968422323635787596868363393839823351457764568530934217582648226247265169988348450726323340584101644017610645316015711002168432006528806747558671140865148642934208370844954825103592114953252655520169335582457649154444879572491553381481895945412335259853417669311245376179149457079298023855332465026149897842525435895845597393249078127286005920693814173960683700818187943496262072197017123075927978853794839764592937402145484302984895505493746929407440025390776621247631350561145777173
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 2,414-digit prime (175 intermediate primes).

Certified number2,414-digit prime
Certificatedownload
Certificate chainshow step 8 of 175

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054427708 --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":1100000009054427708},"decimal":true,"detail":2}}'