A prime number is a special number that can only be divided by one and itself. It makes them a pain for this fella who likes to divide things into neat, equal piles ...

Remember, a prime numbers can only be divided by itself and 1. You can use your knowledge of multiples (times tables) to eliminate numbers. Start with the smallest numbers and work your way up.

A University of Virginia mathematician’s research reveals a surprising connection between integer partitions and prime numbers, earning him national recognition.