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 #1100000009047834023 536 digits created 2026-08-05

Value

20401253417312538982158185211834049996098145692421338037292186342636009726761049258004518122801239695651410051363713114938618312944071842573925060905001684537206986360776631588235925667152870965978589220497846706696130357121679732980155500029102833597956515913837201383874800283792802569201332955562701183289016544854302644469865508790485894954684241004413523025663608128934155914913193801721668452072164631824346107648709393045054080336802097027982545952545010198994399037973733017013178936116577416876659448817162245624379404860836869
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 1,470-digit prime (118 intermediate primes).

Certified number1,470-digit prime
Certificatedownload
Certificate chainshow step 78 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047834023 --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":1100000009047834023},"decimal":true,"detail":2}}'