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gikf f93acf28a6 fix(curriculum): clean-up Project Euler 261-280 (#42905)
* fix: clean-up Project Euler 261-280

* fix: typo

* fix: typo

* fix: typo
2021-07-24 09:09:54 +02:00

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---
id: 5900f4801000cf542c50ff93
title: 'Problem 276: Primitive Triangles'
challengeType: 5
forumTopicId: 301926
dashedName: problem-276-primitive-triangles
---
# --description--
Consider the triangles with integer sides $a$, $b$ and $c$ with $a ≤ b ≤ c$.
An integer sided triangle $(a,b,c)$ is called primitive if $gcd(a,b,c) = 1$.
How many primitive integer sided triangles exist with a perimeter not exceeding $10\\,000\\,000$?
# --hints--
`primitiveTriangles()` should return `5777137137739633000`.
```js
assert.strictEqual(primitiveTriangles(), 5777137137739633000);
```
# --seed--
## --seed-contents--
```js
function primitiveTriangles() {
return true;
}
primitiveTriangles();
```
# --solutions--
```js
// solution required
```