LCM and HCF

[hychan]

I want to ask for help that how can I determine the LCM and HCF of two numbers? Please help me with it. Thanks :)

[keskiverto]

I could not remember what LCM and HCF are, so I had to do a websearch. So can you. That should give you the basic knowledge about the problem.

Specific implementation issues is where we can give advice.