Thanks, Keepitnatural and moderndays - you both are correct!
So what Steve needs to do is find a missing factor. He knows one factor and the product, so we can draw up an equation which looks like:
__ x 6 = 6.
Now, we know that 1 x 6 = 6, so we can fill up the blank with a 1. So, the answer is 1.
To understand this further, watch the following video lesson:
Hope this helps,