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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 #1100000009030657239 1,105 digits created 2026-08-01

Value

4755565299318401892053879896469019451099521420948694549092245944113872266906700778968083702913930121805753579672029007933848801027695864264443473554273011660568856692125919229229814194807893835601648070118974261776028646757734531314182494107882834355059856839445063726440547090127059154677064502864912965806950157546279028580334164759854927327380811013727291179576591520673799653875844436138405231564296241946465389008789038975630959135282429456121157509195827301587190577773362570701505114846715081118172742354450585679126116538255244223362814969216168906762407768966417532192697381209691576031918753064997950387515050006063506748956549730132335259476963432870293604156305236699328763689555833825238705655221415725550301804646153549655063012454398850076969577221636416173119264045767624915327140105307916116064624581408533531501777803519986663008566643339652921447433219412405319707589921382586545079012668638104956162962534074846285179207206334655946081936844718712955314122902077616833931199599474238211352347826584087292900472394504685674502530343932341256248924081632890965039788009954812545466232569
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 130 of the certificate chain of a 2,776-digit prime (208 intermediate primes).

Certified number2,776-digit prime
Certificatedownload
Certificate chainshow step 130 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009030657239 --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":1100000009030657239},"decimal":true,"detail":2}}'