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 #1100000009084007918 407 digits created 2026-08-14

Value

60476844220015788915654709612283713453686705924244580908117683984045502829372765499727301160709229154123302550234597395847922641130996222769240077594482495305183578161710222081292520603713621832038613076262069029519584486912762181367140847740890210756202952578545970291551724808350327083748142499487455907304638059097234247396514383153375203073347404303793462191641498895581245242044853913429882898462985177
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 122 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 122 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007918 --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":1100000009084007918},"decimal":true,"detail":2}}'