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 #1100000009055124729 435 digits created 2026-08-08

Value

718912374518814807569638000486823678073830722272238260553699012197929412489529116566274508123971397976377369146596347313674011053475529911047902549893057287463697085725406888974392811942604221750149443305579014556889466814621128071354765128061266271985525854043870090424989706522053437027909846965711510057681926685970123162610315482930878578844207795761850109316904921808362095180428255359473561134136990919507615337217639808551740723
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 155 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 155 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055124729 --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":1100000009055124729},"decimal":true,"detail":2}}'