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 #1100000009044288672 457 digits created 2026-08-04

Value

8170016457540089003712608305598244021180084013777468554834708707690468531462891559512279093237927225643274596020914967733049399368186615253446662086130449825336221686521432538722544890903405585942706394588045316665465805595242875794978540587249952430810417485918066910413509272723605871239304546861630078794015293299895882896321250679626965653624591717779105622012013355449101556468501773580733738494219758515554570995827989960216843873444758122909342900163
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 1,389-digit prime (110 intermediate primes).

Certified number1,389-digit prime
Certificatedownload
Certificate chainshow step 78 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044288672 --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":1100000009044288672},"decimal":true,"detail":2}}'