freeCodeCamp/curriculum/challenges/portuguese/08-coding-interview-prep/project-euler/problem-468-smooth-divisors...

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---
id: 5900f5411000cf542c510054
challengeType: 5
title: 'Problem 468: Smooth divisors of binomial coefficients'
videoUrl: ''
localeTitle: 'Problema 468: divisores suaves de coeficientes binomiais'
---
## Description
<section id="description"> Um inteiro é chamado B-smooth se nenhum de seus fatores primos for maior que B. <p> Seja SB (n) o maior divisor de suavidade B de n. Exemplos: S1 (10) = 1 S4 (2100) = 12 S17 (2496144) = 5712 </p><p> Defina F (n) = ∑1≤B≤n ∑0≤r≤n SB (C (n, r)). Aqui, C (n, r) indica o coeficiente binomial. Exemplos: F (11) = 3132 F (1 111) mod 1 000 000 993 = 706036312 F (111 111) mod 1 000 000 993 = 22156169 </p><p> Encontre F (11 111 111) mod 1 000 000 993. </p></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler468()</code> deve retornar 852950321.
testString: 'assert.strictEqual(euler468(), 852950321, "<code>euler468()</code> should return 852950321.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler468() {
// Good luck!
return true;
}
euler468();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>