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 #1100000009041853571 608 digits created 2026-08-03

Value

30906081030258028447752574284135978741601965679703233240147053684811405979907814212310388248153028694733080570122476207969871502116803384330446809325823770100786936358395077278646434256591124999272843100685591264427395590433288777578413321738738320983654319090185508592002221717974841231023514578872530516498724603512920420706200884932927231505420929090689253346836801895037487253015497525468798040460144543544123509323118319625366071557748256698964705740585431422996521160556936619504994717635368031876750994730555898633867166289135740677020704122216519432629072319687753015429334197366088291272109402478161
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,306-digit prime (109 intermediate primes).

Certified number1,306-digit prime
Certificatedownload
Certificate chainshow step 56 of 109

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041853571 --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":1100000009041853571},"decimal":true,"detail":2}}'