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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 #1100000009059117591 2,330 digits created 2026-08-09

Value

13951392904980282024516211793751526360896816363890807750522203768394109241338620062705303909859579744880295691684658693586232498021418308803524190390638874606821710755613053542352811845811611372200112652915008283987252298033178057181296636911813915898802201883856787643193397138038861634836503313905422610882917300091427502711668119181801478763276508326659726423751595313375586756394058575261399248523373918760388979413327678207162052107227419002992863295110894358725100839918635020899130812696648983799153579805057636086387236545755299945629229334680599049282169667824679823340670351536493302026762241827044243101491143002437058691566002150394794525996744558068461973313534163578830099929293279353083979669321899397815917789604544136692020950921901576552830442095498044675534095744170354997778524397223102213345937755795540595793806594081224381594183695771745618364943358704975864098041721506867382790919662212119195271198330239062624867675948525930451254634954633334919122901534874480875455136323403402394301197710452431298219673754024374911285057289183715776162568653277721744738688800410511937993550318190686503299958093348881212210116251158052052282848618720217055319027956219133394446731149527701206028008619589359438981475540113403460112943031132038750090912556539417377438468300001468241269293576164131260765878484566591612826313141199751884967805338653800825773686532353302758796704928171292065762833361980147838503834966035600436300291295168968395161362255322981836915078135280353277622915239250756832612464543324701944172401979743941984682442513322433119357736672828465355545333169374229895388263946757436726503613829628735975542528506721868080293283291833894180919975156623625500156951437464980806246654137109761974593855680342709080536374532267359915262375982095622903402569227887886323713655222673131310900410340111572666941153886204447380491981550666010659050189340088830460009407578401564052787730266130475142458393045052890526135824241463829531904214801730606105028844388735209992070918451720495232062335086121075173366521986470509496419496049008284732770238452606645134036396619916308598173881217851460823797630901399976237242003119622924362510181167393702176282688846728427400663227732904600551018941188306255959843788826150355635897955656858306651309526810175587410720327892612650764208885278347263899969773087
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 2,365-digit prime (182 intermediate primes).

Certified number2,365-digit prime
Certificatedownload
Certificate chainshow step 4 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059117591 --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":1100000009059117591},"decimal":true,"detail":2}}'