Question

Suppose the number 1155 is written as the product of three positive integers. What is the smallest possible value of the sum of those three integers?

Answer 1

Once again, you need to get the prime factorization.

Answer 2

3X5X7X11.

Answer 3

Great.
Now we need a combination of factors in three groups that will give the smallest sum.

Answer 4

Well, the smallest are 3,5, and 7.

Answer 5

So, the answer is 15?

Answer 6

Hurry! My mom is calling me!

Answer 7

I have to leave in like five secs.