Largest Prime Factor

##Challenge 3 The prime factors of 13195 are 5, 7, 13 and 29.

What is the largest prime factor of the number 600851475143 ?

Getting Started

1. Fork this repository and clone it from your personal GitHub Account
2. In the Terminal, navigate to the newly created folder for this repository
3. Install dependencies by running the command: npm install
4. Run tests by running the command: npm test
5. Your work will be one in the file named: largestPrimeFactor.js
6. Make your tests pass!

From Project Euler Problem 3