freeCodeCamp/guide/english/certifications/coding-interview-prep/project-euler/problem-200-find-the-200th-prime-proof-sqube-containing-the-contiguous-sub-string-200/index.md

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title: 'Problem 200: Find the 200th prime-proof sqube containing the contiguous sub-string "200"'
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## Problem 200: Find the 200th prime-proof sqube containing the contiguous sub-string "200"

This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/coding-interview-prep/project-euler/problem-200-find-the-200th-prime-proof-sqube-containing-the-contiguous-sub-string-200/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.

<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.

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fix: change directory structure 2018-10-12 15:37:13 -04:00			`---`
fix(guide): Added solutions and some hints and problem explanations for curriculum related Guide articles being ported over to forum (#36545) * fix: added info and solutions for stubs * fix: made title match main header * fix: removed wrong closing tag Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com> * fix: added closing tag Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com> * fix: corrected solution Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com> * fix: changed verbiage Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com> * fix: added code tags Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com> * fix: added solution 2019-08-01 05:16:54 -07:00			`title: 'Problem 200: Find the 200th prime-proof sqube containing the contiguous sub-string "200"'`
fix: change directory structure 2018-10-12 15:37:13 -04:00			`---`
			`## Problem 200: Find the 200th prime-proof sqube containing the contiguous sub-string "200"`

			`This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/coding-interview-prep/project-euler/problem-200-find-the-200th-prime-proof-sqube-containing-the-contiguous-sub-string-200/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.`

			`<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.`

			`<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->`