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 #1100000009043498954 564 digits created 2026-08-03

Value

217229929303446869758163379740261996490720515971103516282271898841383592417856027743330362609492771508887727932588640528406452977422837394162495345546042734111695616819993701837845253248884947571813681037847794447500086889361769168142223761053103662333551477821660370056172382314288328741705592549046313081327922677697190807788056790040428377899395805586241710897488526922693481100617209972566671434194525540089079839218490900695613379654722722238570367727240250353012574693837426622186628419842601113657461275634524992008209392585517591841098800094526371390877131
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 1,366-digit prime (114 intermediate primes).

Certified number1,366-digit prime
Certificatedownload
Certificate chainshow step 69 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043498954 --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":1100000009043498954},"decimal":true,"detail":2}}'