Try =MIN(A2:A50), change the range to suit, or Data > Filter
Autofilter and filter the column containing the data, the lowest numbe
will be top of the drop down lis
Select the range of cells where you want to format the minimum numbe
cell
Select Format -> Conditional Formating
In input box choose equal to
in the next box type =Min(range of cells) (make sure there are n
inverted commas in equation)
Click format and select the format way you want
Click OK
and the minimum value cell be formated the way you want :