A ** magic loop** is the shape formed by the lines that connect to numbers which add to give the magic sum. While a magic square contains numerous magic loops, there are only two that contain prime numbers only: {2, 3, 5, 11, 13} & {3, 7, 11, 13}. The simplest of these is the

**.**

*prime loop*The *prime loop* of the given 4 x 4 Magic Square is shown below.

The ** Prime Amulet** is when the first and final numbers of the

*prime loop*are connected.

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**

**Prime Loop**

**Amulet**