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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 #1100000009028283808 1,109 digits created 2026-07-31

Value

93968009399444299440946897099045318381755396976890852084041480253512939947879828658187797848192377301262356118434777924064356836583659477004820242340069389140131928805967095730577495486971512695681612638530485336935172513926520946773910415959165327086486298407857837633461909505402670465607979513667965070287184826121479847803505380010679060650656750171358507476410406944313729131063631682545729462687125132870002274471763321791687402290347252161741500766516687989331637206184141150180211594591935596202419019251142439908469326516692328485858863130965853216215127117342697847711682768673738009046465495519184752315578469564067716827140205265795727301554594458163697422481073888729145048832770597340714502601651545370501956704197549819737913737418895285380185488046127117601904475294474019894216295012166759712323070923899056975283543321963387117785547547212420659163331516094429823614961070920018713437328259991652139763604900506498342090700126336610743375514873761215301388147734624224730582733776933669319034783357416212821759750966712283078762267533535637808375693208560680881746716776421143186127880879249
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,201-digit prime (100 intermediate primes).

Certified number1,201-digit prime
Certificatedownload
Certificate chainshow step 7 of 100

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028283808 --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":1100000009028283808},"decimal":true,"detail":2}}'