It's videos like this one from YouTube user Numberphile that make us mortals realize why mathematicians view math as art, or perhaps as power. Highly composite numbers—numbers that have more divisible ...

A prime factor is a natural number, other than 1, whose only factors are 1 and itself. The first few prime numbers are actually 2, 3, 5, 7, 11, and so on. Now we can also use what’s called prime ...