factordbrpc · fdb
Sign in
>
?

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 #1100000009043400806 630 digits created 2026-08-03

Value

278379561355653899885237351757960046466266671223793390448627752670216801675321567380750065591717656640307472273966152624990794075502418894159506547073149236240880097159620245491192347679561980674869095315613776169462370457097950406169398822944929256889285727193685430682816688457603284741790129247376111734986120840918751934551103126720536427592219285343136384914655170552335013013904400667712933373652034956326973811198542267397957011643861822355231660361232040126959390676117785349537586498588404884519190164140976826062430077952008390726832833759074412617451776053014380905118989353336155605749856304219856778263103290985013841
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 1,359-digit prime (108 intermediate primes).

Certified number1,359-digit prime
Certificatedownload
Certificate chainshow step 62 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043400806 --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":1100000009043400806},"decimal":true,"detail":2}}'