**Today’s Challenge**

The smallest positive integer that has exactly three factors is FOUR; these are 1, 2 and 4. When finding the next integer to have just three factors, what is the product of these three numbers?

**The**** 7puzzle Challenge**

The playing board of **the 7puzzle game** is a 7-by-7 grid of 49 different numbers, ranging from **2 **up to **84**.

The 3rd & 7th rows contain the following fourteen numbers:

4 11 13 24 25 27 30 36 42 45 66 70 77 80

What is the sum of the multiples of 10?

**Make 46 Challenge**

Can you arrive at 46 by inserting 3, 4, 5 and 9 into the gaps on each line?

- (◯+◯)×◯+◯ = 46
- ◯²+◯×◯+◯ = 46
- ◯×◯+◯–√◯ = 46

**Answers **can be found **here**.

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