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 #1100000009018482855 657 digits created 2026-07-29

Value

212300297960494103116976261938986057839032367988291176008308322586636992291179627013614696049066808625308807333947958841550755876766747732316913558543309347512877377891712859922330060232932249790594679058669990197467468703425107591102867222756603291929711946424436676066333468753108562727656458385785938161273643708982370392240913049279336127809223066961694021057727141628980334456274421764540396665028824874250898050550559971677571639905119566501362326701914409013368024261835444829077660489934025413898458589326355146798574505764551657375931927028785845711197712377784963815414213292955488928777360511787320100217239351191927873950684983982676882876499021
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 1,003-digit prime (96 intermediate primes).

Certified number1,003-digit prime
Certificatedownload
Certificate chainshow step 33 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018482855 --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":1100000009018482855},"decimal":true,"detail":2}}'