Newbie - Trying to Help a Friend

[Mark Janssen]

> Think they just needed a starting point really to be honest as they can't get there head round it.

Then the problem is that your friend doesn't understand one or more of
the words being used.  This is s necessary prerequisite for making an
algorithm from a text description.  Perhaps they don't know what it
means to be "divisible".

-- 
MarkJ
Tacoma, Washington