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 #1100000009112553616 539 digits created 2026-08-27

Value

20285013585276875510169196590465237949509347910631130417801255414200846775017095695673140241005447256906249874258485850265376890800277893750491437882461792011287245595849311355556383473671170489335824079181759496055429491767217800067413203034936275166916094643723754511126599416603299232144804100564861312512862752673816711718598517738131923730971504676135398076069960018587157796363603976357837508689572147558832534869885754783770095179164168489140398614313131044995365675745246411324900369966201110026968435875638492482347030745709805859
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 177 of the certificate chain of a 3,007-digit prime (215 intermediate primes).

Certified number3,007-digit prime
Certificatedownload
Certificate chainshow step 177 of 215

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009112553616 --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":1100000009112553616},"decimal":true,"detail":2}}'