freeCodeCamp/curriculum/challenges/english/10-coding-interview-prep/project-euler/problem-97-large-non-mersenne-prime.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
5900f3ce1000cf542c50fee0 5 false Problem 97: Large non-Mersenne prime 302214

Description

The first known prime found to exceed one million digits was discovered in 1999, and is a Mersenne prime of the form 269725931; it contains exactly 2,098,960 digits. Subsequently other Mersenne primes, of the form 2p1, have been found which contain more digits.

However, in 2004 there was found a massive non-Mersenne prime which contains 2,357,207 digits: 28433×27830457+1.

Find the last ten digits of this prime number.

Instructions

Tests

tests:
  - text: <code>lrgNonMersennePrime()</code> should return a number.
    testString: assert(typeof lrgNonMersennePrime() === 'number');
  - text: <code>lrgNonMersennePrime()</code> should return 8739992577.
    testString: assert.strictEqual(lrgNonMersennePrime(), 8739992577);

Challenge Seed

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

lrgNonMersennePrime();

Solution

// solution required