The product of two whole numbers is $$30$$. If the numbers are $$5$$ and $$6$$, their sum is $$5+6=11$$. 
The product of two whole numbers is $$30$$. What is the least possible value of their sum? 
Options:
1: $$10$$ 
2: $$11$$ 
3: $$13$$ 
4: $$31$$ 