Factors, Multiples & Primes

Caroline and James pick sets of five numbers. Charlie tries to find three that add together to make a multiple of three. Can they stop him?

The clues for this Sudoku are the product of the numbers in adjacent squares.

The items in the shopping basket add and multiply to give the same amount. What could their prices be?

Is there a relationship between the coordinates of the endpoints of a line and the number of grid squares it crosses?

What is the largest number which, when divided into these five numbers in turn, leaves the same remainder each time?

Which numbers can we write as a sum of square numbers?

Can you create a Latin Square from multiples of a six digit number?

Here is a Sudoku with a difference! Use information about lowest common multiples to help you solve it.

You are given the Lowest Common Multiples of sets of digits. Find the digits and then solve the Sudoku.