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 #1100000009091290468 744 digits created 2026-08-18

Value

199563324804911017750297673506460519766530357863367103958010327519574715853828355850223612403996894886892215884109379463376144733589505440441629870904318279667032261931033377938579295500384184005062675913200969482055209190214680311618277302497532668361405310712204522201529785952675479729771783695552005366253023413741487657209655362961582648383203247219904042019833315617020456166784358042290818542857190485490853248560790901768545320764103409435725297643639522573669283579226799745589806868615257181446114133203512654509497753490174690798838900519300133665630303174970882516591507853979992686729860209922650249056760735063645582822569426807516084049418803956578525692657587411173912429529468922473529477747635741109304830116907485751281352389
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 2,095-digit prime (129 intermediate primes).

Certified number2,095-digit prime
Certificatedownload
Certificate chainshow step 88 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091290468 --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":1100000009091290468},"decimal":true,"detail":2}}'