[PR #1110] Find Prime numbers up to 1 Billion in less than 20 seconds #1676

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opened 2026-01-29 15:23:28 +00:00 by claunia · 0 comments
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Original Pull Request: https://github.com/TheAlgorithms/C/pull/1110

State: closed
Merged: No


Description of Change

I had created a program to find prime numbers up to 1 Billion in less than 20 seconds and maximum limit is 2 Billions.
Program has three options for output:

  1. to print all prime numbers in console
  2. to print only the total number of prime numbers that are present
  3. to write all prime numbers in new text file

References

Checklist

  • Added description of change
  • Added file name matches File name guidelines
  • Added tests and example, test must pass
  • Relevant documentation/comments is changed or added
  • PR title follows semantic commit guidelines
  • Search previous suggestions before making a new one, as yours may be a duplicate.
  • I acknowledge that all my contributions will be made under the project's license.

Notes:

**Original Pull Request:** https://github.com/TheAlgorithms/C/pull/1110 **State:** closed **Merged:** No --- #### Description of Change I had created a program to find prime numbers up to 1 Billion in less than 20 seconds and maximum limit is 2 Billions. Program has three options for output: 1. to print all prime numbers in console 2. to print only the total number of prime numbers that are present 3. to write all prime numbers in new text file <!-- Thank you for your Pull Request. Please provide a description above and review the requirements below. Contributors guide: https://github.com/TheAlgorithms/C/blob/master/CONTRIBUTING.md --> #### References <!-- Add any reference to previous pull-request or issue --> #### Checklist <!-- Remove items that do not apply. For completed items, change [ ] to [x]. --> - [x] Added description of change - [x] Added file name matches [File name guidelines](https://github.com/TheAlgorithms/C/blob/master/CONTRIBUTING.md#File-Name-guidelines) - [x] Added tests and example, test must pass - [x] Relevant documentation/comments is changed or added - [x] PR title follows semantic [commit guidelines](https://github.com/TheAlgorithms/C/blob/master/CONTRIBUTING.md#Commit-Guidelines) - [x] Search previous suggestions before making a new one, as yours may be a duplicate. - [x] I acknowledge that all my contributions will be made under the project's license. Notes: <!-- Please add a one-line description for developers or pull request viewers -->
claunia added the pull-request label 2026-01-29 15:23:28 +00:00
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Reference: starred/C#1676