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Nicholas Carrigan (he/him) 3da4be21bb chore: seed chinese traditional (#42005)
Seeds the chinese traditional files manually so we can deploy to
staging.
2021-05-05 22:43:49 +05:30

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---
id: 5900f48f1000cf542c50ffa2
title: 'Problem 291: Panaitopol Primes'
challengeType: 5
forumTopicId: 301943
dashedName: problem-291-panaitopol-primes
---
# --description--
A prime number p is called a Panaitopol prime if for some positive integersx and y.
Find how many Panaitopol primes are less than 5×1015.
# --hints--
`euler291()` should return 4037526.
```js
assert.strictEqual(euler291(), 4037526);
```
# --seed--
## --seed-contents--
```js
function euler291() {
return true;
}
euler291();
```
# --solutions--
```js
// solution required
```