factordbrpc · fdb
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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 #1100000009078966289 1,980 digits created 2026-08-12

Value

811036294066930532093170103844611303449870987631229166822495028677099954045705545555439281247172495118351517628690490241421640223496570300005288571682820698720732330169955219492074485315423555682366489818431550260873953117853279276978662302741918447194171665953149015077232591977148606912678664134023769209254821085951780464501597622189904192532493856705702210067015221972020749961079312388995651588478904721826326202977015388314149836856923472612966711560246599612522749805979766263788582786571529911530569797029392046949675220140706987989864537434583053287220628270827553689551448068875405284751744530869582951204710084052753868731840546357604074969003360276132613696972798573228020515607703606684098459894402753848252359587000904080566726385030118538196309859523240103792182665629750094934652458200733581735224721306228723282348085420464859893003030745081798988470895856814169936321481184194424749274600928979357485091528356954574679776775585112136605062673227479666976756358172471679873871853085921700517109188340918086473267105036078142670711998422031185946332895377485762891822841061359475428328121893866368667181900358079325707195803493884131958327520048535371567420636715346094648654288750361775645266166762728453827701125949129218455612945095293887578262205669931072973896060433354684664305725840182390572991131105680454781263072100154394358992210445951836071855902793708724314693779414939594929122733035033775289347557810331601912069515737024171532118817857658678167051993467861341042621447885298506264755333877578150878233720637098811674108047293039859982604447109492720709470219759577254969116750191025126082588598398696123646696038856227727109052783907875749683409352901371660111250005109804592296248141224169156192981530895918572169447809166834827137881904449235769188429197607152900891518263158151621096911760778204457175982275333357137883842257348908432959893721231058388131510780719458890652879822580897683859857998249702761692258975071223627557865099245097172981
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 2,038-digit prime (151 intermediate primes).

Certified number2,038-digit prime
Certificatedownload
Certificate chainshow step 4 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078966289 --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":1100000009078966289},"decimal":true,"detail":2}}'