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 #1100000008375789275 1,187 digits created 2025-08-11

Value

18589016499154056582351658635730548553560505179287040702679134862227225035349310526560707382992544127150568076664191613077670147527286750029734641478501824394886659291923710618940400633522612467366874660931735365374035919558200024151124196757621113832338346066168414421372898976304742268107932303645769777075260054029126398439921296299109279260109202153677731792488172611454839144715443706568773350898511364486818507762146822558089784559140566300113725088820112806154539769843109933454466141061514840211083016453190762952682041676677466294804324102905584889577497181886912589815016460778375592616759398645621465323758824488722818596282221273325051575372950504932592505061500453410699759850269215299751866729338217754923494640588602629773865823147032564278590314414796665658556385500832564009046611743537618828665858124948648182748922499464498700864154922072033224921165123826689671778568811441027149232936504604082691683519587769060496113197200960080054178470273005400068877897393251706627688637798661093031892886301185291558079110442622518323503950299362676812413336361038371485934661083253063567351751886687838386169724085204295995805138862029563925990000478297839797211360051265288769
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 1,562-digit prime (171 intermediate primes).

Certified number1,562-digit prime
Certificatedownload
Certificate chainshow step 36 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008375789275 --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":1100000008375789275},"decimal":true,"detail":2}}'