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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 #1100000008801115899 4,424 digits created 2026-05-11

Value

61181080412682079979931723337078275050675245902689205647915527543575895705298177175988886595685265498951194035989028991049215437388506461814555115606766625339991004814587059804621889936381966929905520457575440252084934027819726858896465054819659980893827717377087207468629318834899709568930820961293494693774881631743346588030959235098705737187454211712351419455165844986984419123624020756063228551840070958620339032125645041141222099623861881800057355958897947238379032089093820440423885826327398137937221730163232510442406820644440429702675862808505717702031609918065842109690007626586637462114828991817323981496492251889279280220944998282827075535160555293896382322363825875112186314395224862245809740324879385018226112981388973829387254061435371029019886106769436083567951103156442806571443564676881555475804101095810324911379745616396032093440038264602979989154833481099565133316996453608865729444779652640098951222977993389830297692272586000956204064448983650996564190011729843696121944950385023824813891128801881392346151851342781050658566612890479638165652100245665914084313065072730135534406830094393039680894395494354953984335805697271648352314498670641214344987451501652140213989260183327449248066342399027262855088079473166499576752666019232657387168039995416431837284034132983452327398275149609368565700328906955123154535237576065842142625162484171948690898064252493971239064903138953672780816742576616920067149380791451328208315312726734420552660704314145887439018878178770558348921664481042276024372726222424791695791159861355139437216079221857836888555951583560797390020652204616860902331164828302534727621967503301123327045170525167180706885006614951622497627854995823881689637655784677067308725204902993883654686621544749870188758022095653122127180880993453246313323035775267013664617835173160595512597587959004771342200462747930393170516518223560913668945803629262935777095878390447280847345192906093875711337490480886866365471246126764363068389969030880559286056897231657769036235121561188894960245244684592252345198905420495226406853934939950268904185011900535288272911005605943230559918777283420528799460045867042139376904633522264923879655459906898116425743384427804519210864067523759314826346181490584251356857185542583609486803605803098421129116734548932679322151408685842712837823643722070205587695106409164126198807303278938148244101683671826121808181817019168919259834751333182932330446803374666157846145987747994746764065382348455555239348056168882187915909292160159933067162465230346819065838283915832503409560232705128544919580469660990451917099706800713964136379757857811587512495678754122944549146377292407927511572955534036268582098908989358970350060161733197648498095562692823771760704906747807964881422998948530559313815508627545384866845173548942861165246264552020500053264151848044819539517832942377553638444678868317037212487747323374167903929737898285729236922564171500495131200861431667607297737973042081066903930169050018624664198939429764433394224151325183484753935041141204875329250205510577175709568688449716110484594422862074825392498569474406087994925532429162296847725024801786456127981046114244958176307240822864609433638144367587867990758568132459629852794168581203433671961441968577656855259815506943117543779728090356508367947750891268732161847795702204903446476892826719132311042623863691861622242134147946053454918335091266178845348399293600421577074949698932031218409509279536153486591739747155766588939349023613741940810534889965184230479994434737210340713132327861742742376894617534644882993471834813920704097565955263061251549130006219688747899510530284828396908264163338539246709142231582026994378996668335198502242851029787496053021958132994441218811945418594532398346168603287522438131038408328728369474936286161549566741347266710997833056641414729744855370002063321543828274100179152268722011210960842999608093120463961403783406216982315265008826721798202977580225981882725639586805324576283772869722804093283492516474987427602547889165636069777000234816748359103303045734801822421316982658416991218929746415847767851710144165762540530853173433210250648969745186400858632707594479820896399670545356094869071345700857571639307796440096040442667104676552739269783233745045255050208710446820530186027621919492919435611224817506436388857416767165866266021116097642947320446121693331936117456486391042221335988881743071614867114610295408563100437505281927754114412529
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 131 of the certificate chain of a 6,368-digit prime (411 intermediate primes).

Certified number6,368-digit prime
Certificatedownload
Certificate chainshow step 131 of 411

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008801115899 --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":1100000008801115899},"decimal":true,"detail":2}}'