fix: cleanup CoPrimeCheck

[vil02]

 know more

Describe your change:

This PR cleans-up the CoPrimeCheck:

• the error is now thrown,

• negative inputs are handled correctly.

• Add an algorithm?

• Fix a bug or typo in an existing algorithm?

• Documentation change?

Checklist:

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized.
• I know that pull requests will not be merged if they fail the automated tests.
• This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• All new JavaScript files are placed inside an existing directory.
• All filenames should use the UpperCamelCase (PascalCase) style. There should be no spaces in filenames.
  Example:UserProfile.js is allowed but userprofile.js,Userprofile.js,user-Profile.js,userProfile.js are not
• All new algorithms have a URL in their comments that points to Wikipedia or another similar explanation.
• If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.63%. Comparing base (fb0a99c) to head (b5b8083).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1609      +/-   ##
==========================================
+ Coverage   83.62%   83.63%   +0.01%     
==========================================
  Files         377      377              
  Lines       19745    19745              
  Branches     2910     2913       +3     
==========================================
+ Hits        16511    16513       +2     
+ Misses       3234     3232       -2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.