Project Euler: About the Solution Series
Solving Project Euler Problems using Javascript!

In this series, I will be discussing the solution to the 'Project Euler' Problems.
The 'Project Euler' is a series of challenges that will need more than mathematical insights to solve. It helps in improving problem-solving and programming skills.
We can use any programming language to solve problems. In a way, it improves our data structure skills.
Usually, I try to solve the original project euler version of the problem. Then move on to the modified version of it in Hackerrank.
Hackerrank offers a heavily modified version of the problem with more test cases. It also has time and space constraints. So your code should be efficient to pass all the test cases. Most of the time, the brute force approach will time out in hackerrank.
Remember, there is no best solution for any problem.
Some problems involve many ways of solving them. I will be using Javascript to solve the problems.
If you guys find a better solution, please add it to the comment.
I have added all the solutions to GitHub. You can find the repository project-euler-solutions-javascript.
Note:
Please note that the solution provided is only for learning purposes. Once you understand the problem, please try it on your own before referring to the solutions.
I am a software engineer and have limited knowledge of mathematics. So while solving some problems, I would refer and link to math-related forums to understand the formula used.
| Problem | Title | PE Solved | HR Solved |
| 1 | Multiples of 3 or 5 | ✅ | ✅ |
| 2 | Even Fibonacci numbers | ✅ | ✅ |
| 3 | Largest prime factor | ✅ | ✅ |
| 4 | Largest palindrome product | ✅ | ✅ |
| 5 | Smallest multiple | ✅ | ✅ |
| 6 | Sum square difference | ✅ | ✅ |
| 7 | 10001st prime | ✅ | ✅ |
| 8 | Largest product in a series | ✅ | ✅ |
| 9 | Special Pythagorean triplet | ✅ | ✅ |
| 10 | Summation of primes | ✅ | ✅ |
| 11 | Largest product in a grid | ✅ | ✅ |
| 12 | Highly divisible triangular number | ✅ | ✅ |
| 13 | Large sum | ✅ | ✅ |
| 14 | Longest Collatz sequence | ✅ | ✅ |






