52 divisible

What Can Go Into 51? The factors of 51 are 1, 3, 17, and 51. What is the multiple of 51? The first 5 multiples of 51 are 51, 102, 153, 204, 255. The sum of the first 5 multiples of 51 is 765 and the average of the first 5 multiples of 51 is