Euler problem number #4

Question

Using Python, I am trying to solve problem #4 of the Project Euler problems. Can someone please tell me what I am doing incorrectly? The problem is to Find the larg

Answer 1

Try computing x from the product of z and y rather than checking every number from 1 to a million. Think about it: if you were asked to calculate 500*240, which is more efficient - multiplying them, or counting up from 1 until you find the right answer?