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Problem 5 done in JavaScript #181

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378ab51
Problem 5 done in JavaScript
khuddus Oct 30, 2019
b11d6dc
Update README.md
khuddus Oct 30, 2019
33486e2
Merge branch 'master' into master
khuddus Nov 5, 2019
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23 changes: 23 additions & 0 deletions JS/05.Smallest_Multiple/05.Smallest_Multiple.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
const lcm = (firstNum, ...remainingNums) => {
if (remainingNums.length === 0) {
throw (new Error("Input for method must contain at least two numbers"));
}
if (remainingNums.length === 1) {
secondNum = remainingNums[0];
return (firstNum * secondNum) / gcd(firstNum, secondNum);
}
const [nextNum, ...otherNums] = remainingNums;
return lcm(lcm(firstNum, nextNum), ...otherNums);
}
const gcd = (firstNum, secondNum) => {
const biggerNum = firstNum > secondNum ? firstNum : secondNum;
const smallerNum = firstNum > secondNum ? secondNum : firstNum;
let greatestCommonFactor = smallerNum;
while (biggerNum % greatestCommonFactor !== 0 || smallerNum % greatestCommonFactor !== 0) {
greatestCommonFactor--;
}
return greatestCommonFactor;
}
const nums = new Array(20).fill(1);
const firstTwentyNumbers = nums.map((num, index) => index + num);
console.log(lcm(...firstTwentyNumbers));
4 changes: 2 additions & 2 deletions README.md
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Expand Up @@ -33,8 +33,8 @@ Happy Contributing! 😃
| 01 | [Multiples of 3 and 5](https://projecteuler.net/problem=1) | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
| 02 | [Even Fibonacci numbers](https://projecteuler.net/problem=2) | :white_check_mark: | :white_check_mark: | | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | | :white_check_mark: | :white_check_mark: | :white_check_mark: | |
| 03 | [Largest prime factor](https://projecteuler.net/problem=3) | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | | :white_check_mark: | :white_check_mark: | | :white_check_mark: | :white_check_mark: | | |
| 04 | [Largest palindrome product](https://projecteuler.net/problem=4) | :white_check_mark: | :white_check_mark: | | :white_check_mark: | | | :white_check_mark: | | | | | |
| 05 | [Smallest multiple](https://projecteuler.net/problem=5) | :white_check_mark: | | | :white_check_mark: | | | | | :white_check_mark: | | | |
| 04 | [Largest palindrome product](https://projecteuler.net/problem=4) | :white_check_mark: | | | :white_check_mark: | | | :white_check_mark: | | | | | |
| 05 | [Smallest multiple](https://projecteuler.net/problem=5) | :white_check_mark: | | :white_check_mark: | :white_check_mark: | | | | | :white_check_mark: | | | |
| 06 | [Sum square difference](https://projecteuler.net/problem=6) | :white_check_mark: | :white_check_mark: | | :white_check_mark: | | :white_check_mark: | :white_check_mark: | | | | | |
| 07 | [10001st prime](https://projecteuler.net/problem=7) | :white_check_mark: | | | :white_check_mark: | | :white_check_mark: | :white_check_mark: | | | | | |
| 08 | [Largest product in a series](https://projecteuler.net/problem=8) | | | | :white_check_mark: | | | | | | | | |
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