Find one million consecutive positive numbers, none of which are prime. Ancient math tells us that prime numbers (2, 3, 5, 7, 11, ...,), which have no factors except for 1 and themselves, go on ...

Fine. Let’s do a little math. There are 168 hours in a week. Say you work 40 hours a week. Actually, let’s say you work 50 hours a week. (Even though you may be at work for 50 hours, you aren’t ...