Multiples of 4 less than 20?

Multiples of 4 less than 20 are 4, 8, 12, and 16. A multiple of a number is the result of multiplying that number by an integer. In this case, we are looking for numbers that can be divided evenly by 4 up to the number 20. These multiples follow a pattern of increasing by 4 each time, starting from 4 and ending at 16.