79d9012432
* fix(curriculum): tests quotes * fix(curriculum): fill seed-teardown * fix(curriculum): fix tests and remove unneeded seed-teardown
59 lines
1005 B
Markdown
59 lines
1005 B
Markdown
---
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id: 5900f3e71000cf542c50fefa
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challengeType: 5
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title: 'Problem 123: Prime square remainders'
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---
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## Description
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<section id='description'>
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Let pn be the nth prime: 2, 3, 5, 7, 11, ..., and let r be the remainder when (pn−1)n + (pn+1)n is divided by pn2.
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For example, when n = 3, p3 = 5, and 43 + 63 = 280 ≡ 5 mod 25.
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The least value of n for which the remainder first exceeds 109 is 7037.
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Find the least value of n for which the remainder first exceeds 1010.
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</section>
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## Instructions
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<section id='instructions'>
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>euler123()</code> should return 21035.
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testString: assert.strictEqual(euler123(), 21035, '<code>euler123()</code> should return 21035.');
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function euler123() {
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// Good luck!
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return true;
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}
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euler123();
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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