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 #1100000009061477942 657 digits created 2026-08-09

Value

365364197389994760310854095883329578513365920759486640689071072990918766039793338805348037795302213286922139980499955997550978241463215765891371838702919695469410614350856352275555474297795913278055731374906343197471928498565508371392306576896113455992127131230407917038231230769700905328302640962575769154279984149036312485436634491048792195698677407647783447485085237039666231695275909514630840777489412857714884759339876144704572556917436908222908107514224869310061385337178884393167379483375261797397859227599125462646385321147474912872965515429664487207437993024364682171392758642826741403933059619953355667224611483347198756538746135927347492464195929
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 1,686-digit prime (136 intermediate primes).

Certified number1,686-digit prime
Certificatedownload
Certificate chainshow step 90 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061477942 --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":1100000009061477942},"decimal":true,"detail":2}}'