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>
1.3 KiB
1.3 KiB
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 26972593−1; it contains exactly 2,098,960 digits. Subsequently other Mersenne primes, of the form 2p−1, 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