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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 #1100000009079033649 2,486 digits created 2026-08-12

Value

12961687239473610732620371048232136158638391929934283214876697876155222877977197918759902739230748930156159661200803148590090937926013179903179095171329742290770034579039393515569830075340638561858049358753591318349642932373245810917855483241061199705739735682000328435364405856667497397770872125061800695732924840039380617013169409847650709858688588020915041801599345375854445303793900240120589731997563330688277602661774401345954594405620785115716127950597004336067444934786152905268407014808731835921107074929291941007768445147392157689056013564506450929154777111955901715212680461531557291814375720862167889027453202657256851637044382840894365331412697413026909334895007622921780452840428324654760242036350363925563033590910769901083078052156673553439713686649342923992199271998941958792347207954145670947602402344433994636537741643231608618314957484461162652472529325073444103492458712013426294879863522169397617254653644947839911232331075915450156529073986184452294733433042158582386233850962478095291147656107819166425633108796129025276250439243444040448519233532706887123721206304269873253508956389199065120153376150274100120769014767820534890301869491180817097753561930896989415961750334712642092229107297301449057094789276783562326418628610588302506506258191555470487615963193540672175600594816019580076247004637627421619088558577078660000978109426599723310511735437257510039905364654672393663992490719631910211744803761811141351063926466662384831901835748003740375367412811008500087191269252779774850528345907239977955956386795258747328543407284652877572677050762413252581561377807320218187190122680946215212581372688626526294247372284546647149800483537637701599183329631769834311467972895415415150576267510556701795777772159605359073903561687072471418368441343788847083851327323429396226676402195791486601404230978919184707170410809286444462304196396725327857545833014267781169941635099238381191760041831051576997849243843848962211456618000473834315255914827645315818237589123122406177265687609972736863197026455922116909227227819930983146895885880285893799647340110519761844409188889259128303389396332395092157631640906181003046678100635052752543483953825845504480513694373484270169887912555626778180835225580366686617789712398199443774548123427843906042800350761602585300540932313337420045250492738224416374006524621121209913787213538678891111569577070826991107176399564278508170006654592147781674431918575870878805039961539098008245683155737839528486260217964999867377699
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 2,673-digit prime (208 intermediate primes).

Certified number2,673-digit prime
Certificatedownload
Certificate chainshow step 15 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079033649 --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":1100000009079033649},"decimal":true,"detail":2}}'