When a packet of sweets is shared equally among $$3$$, $$4$$, $$5$$ or $$6$$ children, there are always $$2$$ sweets remaining. If each child gets at least $$1$$ sweet, find the least possible number of sweets in the packet. 
Overseas Competition->Knowledge Point->Number Theory Modules->Factors and Multiples->Common Factors and Common Multiples