1) Which number is even? a) 13 b) 21 c) 16 d) 97 2) Which number below is a factor for 45? a) 12 b) 10 c) 8 d) 5 3) List the first five multiples of 3. a) 3, 6, 9, 12, 15 b) 1, 3, 9, 15, 18 c) 3, 5, 7, 10 d) 18, 21, 24, 27, 30 4) Which number is prime? a) 12 b) 32 c) 85 d) 13 5) What is the definition of the word prime? a) A number with two or more factor pairs. b) A number that has 2, 4, 6, 8, or 0 in it c) Two numbers multiplied together to get a product d) A number with only one factor pair (1 and itself) 6) Find the missing number in the pattern. 20, 40, 60, 80.... a) 90 b) 100 c) 110 d) 70 7) What is the third multiple of 8? a) 16 b) 32 c) 24 d) 8 8) Choose all factor pairs for 12.  a) 1x12, 2x6 b) 12, 24, 36, 48 c) 1x12, 2x6, 3x4 d) 2x6, 3x4 9) Which number is a multiple of 3? a) 43 b) 58 c) 63 d) 95 10) 4 is a multiple of which number... a) 36 b) 25 c) 18 d) 9 11) List the first 5 multiples of 8... a) 8, 16, 24, 32, 40 b) 1 x 8, 2 x 8, 3 x 8, 4 x 8, 5 x 8 c) 1 x 8, 2 x 4 d) 40, 48, 56, 64, 72 12) Which number is prime? a) 80 b) 27 c) 14 d) 19 13) Is 49 prime or composite? a) Prime b) Composite 14) True or false... Every odd number is prime. a) True b) False 15) Which number is a multiple of 9? a) 78 b) 56 c) 144 d) 42 16) What are the factors of 16? a) 1 x 16, 3 x 8, 4 x 5 b) 16, 32, 48 c) 48, 64, 80 d) 1 x 16, 2 x 8, 4 x 4 17) First five multiples of 6. a) 6,12,18,24,30 b) 6x1, 6x2, 6x3, 6x4, 6x5 c) 6,12,18,24,30 d) 1x6,2x3

Topic 7: Multiples, Factors, Prime, & Composite Review

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