Welcome to your Factors and Multiples(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. All of the factors for the number 12 are: 1,2,3,4,6,12 False True2. Which number below is a common factor of both 24 and 36? 12 5 9 73. What are the first three prime numbers? 1, 2, 3 0, 1, 2 2, 3, 5 None of the above4. The factors of 18 include the following except 3 2 9 6 45. What is the HCF of 24 and 36? 9 4 12 66. Which of the following is a prime number? 12 7 22 47. The highest common factor (HCF) of 10 and 20 is 2 10 4 58. Of the following list of numbers : 2,3,4,7,8,11,12, which are Composite numbers? 4,11,12 2,3,7 2,3,4 4,8,129. Which set of numbers are all Primes? 63, 71, 43, 81 5, 23, 11, 37 33, 29, 41, 3 None of the above10. Find the HCF of 8xy and 24y². xy² 3y 3xy 8xy 8y11. A properly done factor rainbow will not show us all the factors of a number. True False12. Which of the following lists the prime factorization of the number 28? 2,4,6 2,2,3 2,2,7 2,1413. The first three multiples of 8 are 16, 24, 32 8, 16, 24 2,3,8 None of the above14. How many factors does a Prime number have? 2 1 3 415. The numbers 20 and 30 have which of the following common factors 2,4,5,10 2,4,5,6,10 2,3,4,5,6,10 2,3,4,5,1016. The lowest common multiple, or LCM, of 4 and 7 is17. A factor tree is a great way for us to find the prime factors, or prime factorization, of a number. True False18. Which two numbers are relatively prime? 9 and 16 21 and 56 30 and 45 18 and 2719. Seven is a factor of... 1, 7 and 14 14, 27 and 72 37, 47 and 57 21, 28 and 4220. Find the HCF of 5y, 30xy, and 40ay. 40ay 75ay3x 120y 5y 75y21 out of 20Time is Up!
