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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 #1100000009074403395 2,064 digits created 2026-08-11

Value

317521853971715216086439811922397122354782427514117064058763338789943194215358257806567973013933981047079140861760277664656806195378487758720461564456169367911585573038692405556243112173587340519556915073096935505212422413928613297675750922856311586495835309341192029747041902549875783087193668974236145992943337178188564795537485757248194011066896114910332356551282983190161769166369375728438945083697958673143511072521607048338910053272097500913642383769673394176848944212288476525092124705149374812676847188082946227415331022038186119686922737569644113354420596671253073529570338415087870648585815329861360334640149089482691765512156606913291490443985578308910919000093847857054754554179135457287648356305068695738890079033647826420003785094764521412139750535236876155998648085821103374105277874012739236583579722987854171187998322155723951279844106215829268217300448215102555349154507237932134934320993802205753432886573791977794436019808145928376235711267399665409802701761537577184234242896433078049124185356228782899896690949874386450568093023708992435406962558802679916417813743197598628623077975252421502818277223809594298993674281573206728609599966116485160324368264993627510460447461043780603366102781526429306325582656436594664098126496726226905187156945841839858681552133044186664567298377222359802775478410258318153841911946813596717918527338585181380397215388038872025947783076266082826066487428221709274405920455495864705170099387270944390786458020288931699056914234554879993630732361323858221312103370560846269702909554473535150952236872544084448277622654619098553422752956952466034463462676052880275116192528595994160577709676948748268555574703974011775996170992545325650019658781659043821260186847529528484947461873879609903653735258318258297234314668374470673802911709859239173985392014947879891910459781401700310356280973447154443794520050899484755553823818374670995295885058121117033375948533229838752818281172948844668990227374464537850694128578638439969684627110994893874713485185108640158425915612252628547614688423229038591836348961656341
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,125-digit prime (156 intermediate primes).

Certified number2,125-digit prime
Certificatedownload
Certificate chainshow step 6 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074403395 --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":1100000009074403395},"decimal":true,"detail":2}}'