diff --git a/Maths/TwinPrime.js b/Maths/TwinPrime.js deleted file mode 100644 index 0bb17e0ebe..0000000000 --- a/Maths/TwinPrime.js +++ /dev/null @@ -1,29 +0,0 @@ -import { PrimeCheck } from './PrimeCheck' - -/** - * @function twinPrime - * Gets the 'twin prime' of a prime number. - * - * @param {Integer} n The number to find the twin prime of. - * @returns {Integer} Either the twin, or -1 if n or n + 2 is not prime. - * - * @see https://en.wikipedia.org/wiki/Twin_prime - * - * @example twinPrime(5) = 7 - * @example twinPrime(4) = -1 - */ -function twinPrime(n) { - const prime = PrimeCheck(n) - - if (!prime) { - return -1 - } - - if (!PrimeCheck(n + 2)) { - return -1 - } - - return n + 2 -} - -export { twinPrime } diff --git a/Maths/test/TwinPrime.test.js b/Maths/test/TwinPrime.test.js deleted file mode 100644 index c3e057e10e..0000000000 --- a/Maths/test/TwinPrime.test.js +++ /dev/null @@ -1,10 +0,0 @@ -import { twinPrime } from '../TwinPrime.js' - -describe('Twin Primes', () => { - it('Should be valid twin primes', () => { - expect(twinPrime(3)).toBe(5) - expect(twinPrime(5)).toBe(7) - expect(twinPrime(4)).toBe(-1) - expect(twinPrime(17)).toBe(19) - }) -})
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