The challenges contained in Project Euler are mostly math oriented. Usually using a brute force algorithm will take a long time, while carefully exploiting the math proprieties of the problem will yield really performant algorithms.

- Problem #1 - Multiplies of 3 and 5: solution
- Problem #2 - Even Fibonacci Numbers: solution
- Problem #3 - Greatest prime factor: solution
- Problem #5 - Smallest multiple: solution
- Problem #6 - Sum square difference: solution
- Problem #8 - Largest product: solution
- Problem #9 - Pythagorean triplet: solution
- Problem #10 - Summation of primes: solution
- Problem #11 - Largest product in a grid: solution
- Problem #56 - Powerful digit sum: solution