1) What are the factors of 9? a) 1, 3 and 9 b) 1 and 9 c) 9, 18 and 27 d) 0, 1, 3 and 9 2) Which of these is a factor of 12? a) 8 b) 24 c) 6 d) 9 3) Which of these is a multiple of 10? a) 5 b) 40 c) 2 d) 45 4) Which of these are factors of 24? a) 7 and 3 b) 2 and 10 c) 24 and 48 d) 4 and 12 5) What is the multiple of 15? a) 45 b) 5 c) 10 d) 80 6) The factors of 12 are 1, 2, 3, 6 and 12. The factors of 15 are 1, 3, 5 and 15. What are the common factors between 12 and 15?  a) 2 and 15 b) 1 and 3 c) 12 and 1 d) 5 and 6 7) What are the factor of 16 a) 1, 2, 4, 8, 16, 18 b) 1,2 and 4 c) 1, 2, 4, 8 and 18 d) 1, 2, 4, 8, 16 8) Which number is always a factor, of all numbers? a) 2 b) 10 c) 1 d) 0 9) What are the factor of 30 a) 1,2,3,5,6,10,15,30 b) 1,2,3,4, 5,6,10,15,30, 10) What are the factors of 12 a) 1,2,3,4,6,12 b) 1,2,3,4,6,12,24,36

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