freeCodeCamp/curriculum/challenges/spanish/08-coding-interview-prep/project-euler/problem-273-sum-of-squares....

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---
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id: 5900f47e1000cf542c50ff90
challengeType: 5
title: 'Problem 273: Sum of Squares'
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videoUrl: ''
localeTitle: 'Problema 273: Suma de cuadrados'
---
## Description
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<section id="description"> Considere las ecuaciones de la forma: a2 + b2 = N, 0 ≤ a ≤ b, a, by N entero. <p> Para N = 65 hay dos soluciones: a = 1, b = 8 y a = 4, b = 7. Llamamos a S (N) la suma de los valores de a de todas las soluciones de a2 + b2 = N, 0 ≤ a ≤ b, a, by N entero. Por lo tanto, S (65) = 1 + 4 = 5. Encuentre ∑S (N), para todos los cuadrados libres N solo divisibles por números primos de la forma 4k + 1 con 4k + 1 &lt;150. </p></section>
## Instructions
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<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler273()</code> debe devolver 2032447591196869000.
testString: 'assert.strictEqual(euler273(), 2032447591196869000, "<code>euler273()</code> should return 2032447591196869000.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler273() {
// Good luck!
return true;
}
euler273();
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```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>