Solved 4 problems
Problem 5
Problem 6
Remove unnecessary code
Solved problem 7, 8, 9
Remove square function
Print the last prime factor
Split function
Factor out prime module
Refine
Use Data.Numbers.Prime
Solved problem 10, 11
Factor out Utility functions (slide, maxOf)
Fix comment
Add document url
Use maxOf
Solved problem 12, 13
Rename for sort
Solved problem 14 (took 26m to compute)
Use maximum to get maximum number from a list