The Great Internet Mersenne Prime Search (GIMPS) has discovered the largest known prime number, 2 77,232,917 -1, having 23,249,425 digits. A computer volunteered by Jonathan Pace made the find on ...
An insider's guide to navigating Amazon's massive sale. Discover 3 products worth buying today and 7 items to avoid until Prime Day. As a deals editor, it's hard to buy items at full price. I've been ...