FACTORS AND MULTIPLES GAMES

 The questions in this game focus on important concepts such as factors, multiples, prime factorization, HCF, and LCM. Important facts you should know that will help with this game.

A number is divisible by its factors A number is divisible by 2 if the last digit is even. A number is divisible by 5 if its last digit is 0 or 5. A number is divisible by 3 if the sum of all of its digits is multiple of  3. A prime number has only two factors: 1 and itself. Every composite number can be expressed as a product of prime factors.

Remember:

And here, a test on factors and multiples. Good luck!

Exercises. Divisibility by 2, 3, 5 6, 9 and 10

This website is very useful to revise the concepts.

Prime and composite numbers

Divisibility problems

Another game with Hypatia and Pythagoras about multiples and factors.