* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
		
			
				
	
	
		
			41 lines
		
	
	
		
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			Markdown
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			593 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
---
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id: 5900f4651000cf542c50ff77
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title: 'Problem 248: Numbers for which Euler’s totient function equals 13!'
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challengeType: 5
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forumTopicId: 301895
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dashedName: problem-248-numbers-for-which-eulers-totient-function-equals-13
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---
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# --description--
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The first number n for which φ(n)=13! is 6227180929.
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Find the 150,000th such number.
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# --hints--
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`euler248()` should return 23507044290.
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```js
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assert.strictEqual(euler248(), 23507044290);
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```
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# --seed--
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## --seed-contents--
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```js
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function euler248() {
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  return true;
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}
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euler248();
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```
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# --solutions--
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```js
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// solution required
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```
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