Sub m()
Dim r As Range
Set r = Sheets("Data").Cells.Find(Range("R20").Value, LookIn:=xlValues, LookAt:=xlWhole)
If Not r Is Nothing Then
MsgBox "Number Found"
Else
MsgBox "Number Not found"
End If
End Sub
Sub m()
Dim r As Range
Set r = Sheets("Data").Cells.Find(Sheets("Summary").Range("R20").Value, LookIn:=xlValues, LookAt:=xlWhole)
If Not r Is Nothing Then
MsgBox "Number Found"
Else
MsgBox "Number Not found"
End If
End Sub