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Factors Multiples Prime Composite QUIZ Factors, Multiples, Prime and Composite Numbers Quiz Definitions Fill in the missing words to make the statements true. When necessary, circle the correct word choice. A __________ __________ is a number that can only be divided by one and itself. We can use skip counting to find the _________________ of a number. A ________________ is a number that is a product of two factors. There are a(n) infinite/finite amount of these. A __________ __________ is a number that has three or more factors. Every even number except for ____ is this type of number. ________________ of a number are one of two numbers multiplied together to find the product of a number. There are a(n) infinite/finite amount of these. List all the factors of 16. List all the factors of 36. © 2012 Teaching With a Mountain View Factors, Multiples, Prime and Composite Numbers Quiz part 2 Find the greatest common factor (G.C.F.) of 36 and 40. Find the greatest common factor (G.C.F.) of 81 and 54. Find the least common multiple (L.C.M.) of 12 and 8. List the first 5 multiples of 3 List the first 5 multiples of 8 List 4 examples of prime numbers List 4 examples of composite numbers © 2012 Teaching With a Mountain View Factors, Multiples, Prime and Composite Numbers Quiz part 3 Show the following numbers as a product of their prime factors. 60 88 120 Label each of the following at True (T) or False (F). Write an explanation or “proof” underneath. ____ 38, 58, 76 are all multiples of 19. ____ 12 is a common factor of 20 and 36. ____You can find the L.C.M of two prime numbers. ____ The prime factors of 99 are 9 and 11. © 2012 Teaching With a Mountain View Factors, Multiples, Prime and Composite Numbers Quiz KEY Definitions Fill in the missing words to make the statements true. When necessary, circle the correct word choice. A __________ Prime _ _________ Number is a number that can only be divided by one and itself. mul,ples We can use skip counting to find the _________________ mul,ple of a number. A ________________ is a number that is a product of two factors. There are a(n) infinite/finite amount of these. composite _ n umber is a number that has three or A __________ _________ 2 is this more factors. Every even number except for ____ type of number. Factors ________________ of a number are one of two numbers multiplied together to find the product of a number. There are a(n) infinite/finite amount of these. List all the factors of 16. List all the factors of 36. 1 x 16 1 x 36 2 x 8 2 x 18 4 x 4 3 x 12 6 x 6 © 2012 Teaching With a Mountain View Factors, Multiples, Prime and Composite Numbers Quiz part 2 Find the greatest common factor (G.C.F.) of 36 and 40. 4 Find the greatest common factor (G.C.F.) of 81 and 54. 27 Find the least common multiple (L.C.M.) of 12 and 8. 24 List the first 5 multiples of 3 0,3,6,9,12,15 List the first 5 multiples of 8 0,8,16,24,32,40 List 4 examples of prime numbers List 4 examples of composite numbers 1,3,5,7, etc. 4,6,8,12, etc. © 2012 Teaching With a Mountain View Factors, Multiples, Prime and Composite Numbers Quiz part 3 Show the following numbers as a product of their prime factors. 60 88 2 x 2 x 3 x 5 2 x 2 x 2 x 11 120 2 x 2 x 2 x 3 x 5 Label each of the following at True (T) or False (F). Write an explanation or “proof” underneath. F 38, 58, 76 are all multiples of 19. ____ F 12 is a common factor of 20 and 36. ____ T ____You can find the L.C.M of two prime numbers. F The prime factors of 99 are 9 and 11. ____ © 2012 Teaching With a Mountain View
