Given our political climate, any serious discussion is at risk of going off on a tangent. The post Math Puzzle for July 25, ...

Find one million consecutive positive numbers, none of which are prime.

You and a friend have arranged to meet at a popular downtown mall between 3 p.m. and 4 p.m. one afternoon. However, you neglected to specify a time within that one-hour window. Therefore, each of you ...