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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 #1100000008804738810 1,793 digits created 2026-05-13

Value

55283512841674203160496687642182839263962201260146568363969552439847200154781824866071710750636536559974031514296225544491833807547013884763690245511154448218296494782450107862848219308137898491411921433121528858383429488337318040598526283760769551797817073790631229767251097058487654324041341845067532640561377422023642557340115049619832582271254474559518274631356328221317332479626902499284521665768999991123398867400431988125414804543739027553084400541359086295012331819052866331331950273347223633051665071440710534224125916299460914437165136666595674311925910457332930108853656632879148102474993033513830222753600264659536226414314706129157071715338988689905802810172118752017690947212896211291389057957909714102451225502133647836862298584261839640693192797677694716422847585515848704715383498609061492528017457053196174759348405567615156667039796294630586761781742807752058333422488826445052057403436423180061391420318117925878144093079963792426125629481591408851065405364920673523971889428162544732865621642638234905609941988877027682630907482197205967496069315327150060666678950462493188647640224624443609820141405941753949424991744124447602333406846879778092791791216291925717444994275674635602864172152393430980050565466564478885896557372390735160158630264651521774032008876427434562801324383633341398814683832959113330906195713558150165156323773781418103401186543278904703550512078839445263826920089025808728200732776460416105982329709502992898029981278654731404827887681275052286945396560560146426586638540086500380488942075413493047213153652295079115035274142901521516785317733881607104430365650501563889102831986643839479641348854533546940788586477494807077923570649176182586249935418669415121051615985290476757058170232759881910097415417119927752751609693992644236802632924500857
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 149 of the certificate chain of a 4,113-digit prime (250 intermediate primes).

Certified number4,113-digit prime
Certificatedownload
Certificate chainshow step 149 of 250

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804738810 --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":1100000008804738810},"decimal":true,"detail":2}}'