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 #1100000009058403424 729 digits created 2026-08-09

Value

427834173958385327724489808728683146661147629995504975047646876059457229819790312724839285593367957635621274677963615729346932886619541028434071404891233084983983438341958182588251660107442110941776152737362761647034057938512453862664575831391636719599842075765588072472463727934638971446852876557552901808835349879455256684047206858840692439551081361004988470856136978294601353623565682987620928392213338812877080768032616074892451111029827686108161920392199258205112756251345226624967599419036637099703450058674478759898795998192367823851348435919315002419315889804380138676566294491057066814461372226037296684119282996913466043763712646109505964528952116898451579525861797888791481373772811566812595843219221944133593058181591
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 77 of the certificate chain of a 1,683-digit prime (129 intermediate primes).

Certified number1,683-digit prime
Certificatedownload
Certificate chainshow step 77 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058403424 --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":1100000009058403424},"decimal":true,"detail":2}}'