edit: better than the above, you could use something like below (in UK format):

=FILTER(FILTER((A5:C735),C5:C735>=450),{1,0,1})
the 2nd FILTER hides the unwanted column (c/o 0 in 2nd position (col B))

you may need to modify / tinker with the delimiters to get it to work in your locale.