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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 #1100000009036772040 2,297 digits created 2026-08-02

Value

84013959860840833707630598309393948435390448946602010354821434535674599226076206620577285803345395154864787080313561078958898800358969501864825954964726381204395199469104187683013583039248698514162653199292202177613493892132955685006833011429431794442306770886637035204707305926410231582976981105945293070866823728550784882034669219654097352297437945922202631389019357611834207679402051796066142026310066467752127634230718779589719827419411363937021831950378043368722396830700142206848495120599790527157176560869594334407841027646851080346085325192460530757900451865324466790195594415412402690441922360716834008753251732649562076483934722728374364206733302788625165601983918754315927400617209180217911184840073267305764311122406341769905507968174188644926728756724738268944799843867679086188154085212673169368160773257809786181007916784639776893984363798414053179937307902096447497283731172916076722671037718865556079412396156266622298397752274823725898238483839738685666197838565529771182955351884966324728607800769810432436253755269449869302192611175693500202902655015472749204092561800202214383012006109744060321940070976770910010096417339567110361744133158535398858971441189618014624157745428437624192813995958260993698405116471852417231947711832142129567449247643414797041697123547231921998598531221669295567106784301455978051020789130184395463347534485775244578255340091525147238745247627317622056186306879423481464116996753588642600142483699515384381726088361787472081693851059284892450766337263587318162995069258601661979228836599530632387519664829653556717281738340932355844269792194195375926526535433168776550568190860432591553800993101430110061584462099169432274653642290745529015382221231279180315059679407694350784719790251933970205561215153614709538108014577432041247463865522146577117460704606232676855741351545292595651571427880323758554636720560748920621252770674975652559878367627959735212585750945445105986037994142199835499573889503513653295627668855101057067070388966935361502421576602142646026660360075765454157242701238014232819049350081001163937376825596771374605733334342577912270835021801492328413344913434810720065437314144817972146064857630598825176543619920266775343047329770155095531646186511103421056169323403221178964782678509228675302395715306206194130078740665647
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,796-digit prime (201 intermediate primes).

Certified number2,796-digit prime
Certificatedownload
Certificate chainshow step 36 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036772040 --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":1100000009036772040},"decimal":true,"detail":2}}'