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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 #1100000004880895607 2,187 digits created 2023-10-25

Value

163655480328921427620757423044268840207647727983470148721113016740549254774048627966331942693821013809978314374146638357119859911345270941702382346005081333296875384396039454481152804892372997560408702082190685482150779094355512293339876501847896930213286656965355882266728787126118809067200104392020289414830666658704666559895817836161254788229229731051262063326849534891078435554849592410727837803570535480269927255500743723665901426756967553919417704405127496858191678751695241495435442517383691225832476181804308568314226157290816773664203522009277340110740800963147406210552800880448410506744094186031922803560398641270226856277373034469807440604254401943935620271947845390048293742428257557792200420277905887596754236313791456105584272720886567450921836967196079622444179891820733973468386982644170966394966831401063614534084916912185829100006494520910240362087391987131839015908620988655505496207102213273957882007848500513832977881850306379633606828079625414406379642094688961471018312613678081369750110737155688047576248319783751320789460150331993459443674441091574691977805903830414381389120886753291996020615532515805471610045588088191422123684070695625388121548293412711392064603366463550043296240550206134652139701688149319663466547009469566505741177689132401220847853902614111691949725476231230352337726370469382542953585545236635578190461192283376564028268007989419086050805563886994992597963565622355793961771496667141130411583918206996679733390701841651850698267892474084962345721686869736526177816397481262168876062437336696437509183823573638051363484010435456035200528067759449765283709359945532182411478703250821290350046666926255533735511562851848017132812317035269583339460003814285923468093633063579857806362594444818573601404099794759036024015277383510525329852783316183892911929154567270577845241161695616375061397767444865185579933111856797938810032164229066064661164392545209809707081192861482979176363137666445776645488566720549900581026209020703932726260813442387443272805194301300200205423550882132213949122252779948136857667798914254768579403591382496614467959438059159781883265372640203196697269440384589625854763497730271740727191145306182510258063398291
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 2,364-digit prime (312 intermediate primes).

Certified number2,364-digit prime
Certificatedownload
Certificate chainshow step 27 of 312

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004880895607 --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":1100000004880895607},"decimal":true,"detail":2}}'