how to look up a single value in a table

hi there,

how can i look up a single value in table of values n then get a return of some sort either telling me it exists or telling me which cell location that value is in.

126 126 111 215 215

363 232 179 188 893
117 243 643 534 334
243 581 192 138 622


this is a typical table with values and i want excell to be looking up 215 in this table and telling me the cell location.


help please!

thanks