Question

If x is the number of integers that are a product of 7 and y is the number of integers that are a product of 13, what is the intersection set (if any) of x and y ?

Answer 1

If I'm correct, then product of 7 means multiple of 7 right?

Answer 2

Yes, correct

Answer 3

Then, it'd be the common multiples of 7 and 13. Get it?

Answer 4

For example, 91.

Answer 5

Got it....thanks....so there would be an infinite number ?

Answer 6

Yes. Infinite.

Answer 7

Thanks a lot