What are the multiples of 100?

Multiples of 100 are 100, 200, 300, 400, 500, 600, 700, 800, 900 and so on
All the counting numbers, with "00" added onto the end of each one.
Not sure about multipules, but the multiples of 100 are elements of the infinite set of integers of the form 100*k where k is an integer. All of these will end with two (or more) zeros.