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 #1100000009043318257 474 digits created 2026-08-03

Value

408302017422145042744375868349499380488922282160359301429903183939605832774489150524875790731697325475950248137649890992927302707277573761489223671465285719769687742217542078517270076312475822001464456451560278257856189497831645656167852622314746706418347606975882278765641277005288834675665486757011669307457117875076208554792914265371861442891175794192793731015161328707795506721752895816331234506072969086178165831857666985471353561464739551688008737827367193883323679321
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,356-digit prime (107 intermediate primes).

Certified number1,356-digit prime
Certificatedownload
Certificate chainshow step 73 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043318257 --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":1100000009043318257},"decimal":true,"detail":2}}'