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freeCodeCamp/curriculum/challenges/english/10-coding-interview-prep/project-euler/problem-248-numbers-for-which-eulers-totient-function-equals-13.english.md
mrugesh 22afc2a0ca feat(learn): python certification projects (#38216) 
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Co-authored-by: Kristofer Koishigawa <scissorsneedfoodtoo@gmail.com>
Co-authored-by: Beau Carnes <beaucarnes@gmail.com>
2020-05-27 13:19:08 +05:30

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id, challengeType, isHidden, title, forumTopicId
id challengeType isHidden title forumTopicId
5900f4651000cf542c50ff77 5 false Problem 248: Numbers for which Euler’s totient function equals 13! 301895

Description

The first number n for which φ(n)=13! is 6227180929. Find the 150,000th such number.

Instructions

Tests

tests:
  - text: <code>euler248()</code> should return 23507044290.
    testString: assert.strictEqual(euler248(), 23507044290);

Challenge Seed

function euler248() {
  // Good luck!
  return true;
}

euler248();

Solution

// solution required