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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 #1100000009056642443 2,177 digits created 2026-08-08

Value

20230118596239949059523091301175854798984017588347805858741618439303967297523942800955019903954871310809904444945297896653613828246171973092561123089160719406631019201284800705106332397873717817815737261776826371028736049360074898722890141910639299451594953654084901935644272246208962991145158203703652634972661493332024337170792936981369161991200417414068602333993149183989724993854745935539177710611797759253846409919942483650784316182470199700845296547900787643023971257916823802998649373379082074043256497472364705822632025593576686557342406438470805752802181602954816710640015887614645944510174769787584701997084019072494018599982601080768176033695845118095663996063059968130891099313970970608397315147080956827804893600520631155499885060681978295643770349125632431260907196427672626762219575478379245706368668506145740362625491531115817146042671748891235727018406466719870823311984934877309186500713587650906895345697239161282380700929055953990721670596459818997805871225227052007916520531500926300164248145921858289871479719795932387282705944737362609928774326897672191803074851577687431582012375161689215988725008445747860700953665936762979970870463171148433097625757833396159684939827278483273858561439399008548069196468073475849384861712455057131467636757365698823491198879298117206601114923242768168857529324143203762794283312058844615573628617066206313593247255015967601289798959682427472585664407836623584568049485203196856611212666141670175901863447228607780166753430293644965566000177768132056202870300661926608940938256737540483698383955443102013504827338563419314617481059711735926012625474708672959957022002830325709264382089764790712772747941004688889448855671443111791965396312891858332362541920562633276636350943223278557924553895900084839851353810168138982469391551451975309077358974857480230324161466800026481916656545481964316494749437433942371220458928284875972375573617039506381509044453308371958511655325781423862363568846232623567436618066651310227816641256459835259631041752604008793224525080770921866659645053275019233801077094549974708623050579371243857087336922262032689746427197790690132967168511469765862471107111600518990557612854258185099323
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 2,536-digit prime (201 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 31 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056642443 --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":1100000009056642443},"decimal":true,"detail":2}}'