title: Find the largest prime factor of a composite number.
url: http://projecteuler.net/problem=3

desc: |
  The prime factors of 13195 are 5, 7, 13 and 29.
  What is the largest prime factor of the number 600851475143 ?
  
solution: |
  Use factorization to find the largest prime factor

solutions:
  solve.php:
    desc: Basic solution
    language: php