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 #1100000009089119513 808 digits created 2026-08-16

Value

8667585384213198796492648254714454225427825069168571765337552898283706724239637681283647968918223606393427610753531471195087110395840374893133002535829989067065614809461990796510960761081066393923265772195611524467216322936083996853677265561776546525183539739813965393332665383688809220871259851489839838851917003968746011804943816968840571167237426706489009255424742993165108236455396483902130020513683601968537141897062978125829258243324619845626469355559164140074924868611001219375409559337911507390616060958142443938375240496133255246665508774799649293024605920279952268227770415312274768621438901233746593434834500938672155478662429695125940814821649433280972308687784537515076538135169441396820832992034681700551577263269828583047796748770090236329532959683627031616066887308142741159738801527596470089
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 1,973-digit prime (151 intermediate primes).

Certified number1,973-digit prime
Certificatedownload
Certificate chainshow step 93 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009089119513 --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":1100000009089119513},"decimal":true,"detail":2}}'