2 is the first prime number. All the other even numbers ... You should end up with a list of 25 prime numbers between 1 and 100. These are shown in the grid below.

Two mathematicians have cracked a centuries-old puzzle about prime numbers using an approach that no one saw coming. Ben ...

2 is the only even prime number. Every other even number has 2 as ... The first fifteen square numbers are: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196 and 225. A cube number is ...