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 #1100000009044288642 527 digits created 2026-08-04

Value

40354179195588184241468738332849714957536145757218756574934221580460833638724551123399320847114378853338233507037328775630937874720596959435471886067423990486125878995796179362304635271494074984841860547979398211429811139358902720809130684759505424674697627082175126313278206493570734457662867673962683397315405700643785161256792351238392604969005590671038289762079652078818536619983531853411491576848461175778166190845448732348581443259394636080714703016734053954336748815373564969297506240888718841819883516434255631246497523
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 1,389-digit prime (110 intermediate primes).

Certified number1,389-digit prime
Certificatedownload
Certificate chainshow step 72 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044288642 --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":1100000009044288642},"decimal":true,"detail":2}}'