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Name Fun with Factors and Multiples What are they? Factors: Factors are the numbers we multiply together to get another number. 4 x 5 = 20 (4 and 5 are factors of 20) Multiples: Multiples are the results of multiplying two numbers (integers) 5 x 3 = 15 (15 is a multiple of 5 and 3) Multiples of 5 there onwards are: 5, 10, 15, 20, 25, 30 and so on... … Common multiples: As the name suggests, these are multiples that are common between the 2 numbers! Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 26, 40, 44 and so on... Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45 and so on... … Common multiples of 4 and 5 are: 20, 40, 60 and so on... … … team e plore © www.myteamexplore.com Name Worksheet Here are some fun riddles on factors and multiples. Let’s see how good you are at solving these. Put on your thinking caps now! 1. I am a number less than 60. Two of my factors are 2 and 5. The sum of my digits is 5. What number am I? 2. I am a number less than 40. One of my factors is 7. The sum of my digits is 8. What number am I? 3. I am a common multiple of 2 and 5. I am also a factor of 50. The sum of my digits is 1. What number am I? 4. I am a factor of 180 and a common multiple of 3, 4 and 10. The sum of my digits is 6. What number am I? 5. I am a common multiple of 2, 5 and 10. I am a factor of 200. The sum of my digits is 1. What number am I? Can you make your own riddle? Send it to us at kids@myteamexplore.com to win fun prizes. team e plore © www.myteamexplore.com