Multiples of eight

To find out multiples of 8 just look at the last three didgets and if they are divisable of 8 the whole number is, to find out if the last three didgets are divisable by 8 look at the last two didgets and if they are divisable by 4 the whole number is and if you still don't know cut that number in half and if it is divisable by 2 the whole number is.