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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 #1100000009080418422 1,238 digits created 2026-08-13

Value

13710199871681746933058775844899263700400250149525762402518649352273662804464277518313303339583414220152577490321258614879732591064294054581730533674723690894026373202889179845406397142191815412456814336467380470354959971595072093013014167223696042846320394496538544991999876196051152940152552045359217994242881267731004099354184247136465853420471452981798423625824283474956320673628847179707397859925459317317281572565329374926466574864412744571588958045192755172520976716943629817302178525501449937908710677870927424572586327982131982285738675597866597395444050448806986970047660311307375680714114275998305099185826590051497116436531042498714347663681653678541404205764716422006076620390238433798084676422796716402042133608594997337792207208014387475654472557574933452322838545189491077571696879208513653249775402599607894357480273701941569227693872283039355783703604346231739191371765853342033845900069789146742570598091491185781724267382713330683645175260414269907751028180510117014934058223837536456134565836368494418244477428036795441780732701244700630719857161428691328436579526094706295456795119772602798434617715332276006517674511653393928050984048480035309651525465757174223562606826726151656070151740701864576541065559550759589
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,872-digit prime (157 intermediate primes).

Certified number1,872-digit prime
Certificatedownload
Certificate chainshow step 56 of 157

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080418422 --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":1100000009080418422},"decimal":true,"detail":2}}'