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freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-231-the-prime-factorisation-of-binomial-coefficients.md
Oliver Eyton-Williams ee1e8abd87 feat(curriculum): restore seed + solution to Chinese (#40683)
* 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>
2021-01-12 19:31:00 -07:00

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---
id: 5900f4531000cf542c50ff66
title: 问题231二项式系数的素因子化
challengeType: 5
videoUrl: ''
dashedName: problem-231-the-prime-factorisation-of-binomial-coefficients
---
# --description--
二项式系数10C3 = 120. 120 = 23×3×5 = 2×2×2×3×5并且2 + 2 + 2 + 3 + 5 = 14.因此素数因子分解中的项的总和为10C3是14岁。
找出素数因子分解中的术语总和为20000000C15000000。
# --hints--
`euler231()`应该返回7526965179680。
```js
assert.strictEqual(euler231(), 7526965179680);
```
# --seed--
## --seed-contents--
```js
function euler231() {
return true;
}
euler231();
```
# --solutions--
```js
// solution required
```