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 #1100000009036789813 391 digits created 2026-08-02

Value

2399520602209478258310299148156646435153018343008626536430514315276404714286313814027663119873375223486184186223102788306587072071117472298621672051393482959920901106054026834454550873279029445448430761957973824357278463797918614847761626776582468079085727065304563339564865790088709487773648744304726930903522556064651727009306925750113863125630687872436461877288783418475693735677474965571
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,238-digit prime (97 intermediate primes).

Certified number1,238-digit prime
Certificatedownload
Certificate chainshow step 71 of 97

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036789813 --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":1100000009036789813},"decimal":true,"detail":2}}'