1) What is the prime factor of 24? a) 4 X 6 b) 3 X 8 c) 2 X 2 X 2 X 3 2) What is the definition of Greatest Common Factor (GCF) a) The greatest multiple of 2 numbers b) The greatest factor of 2 numbers c) none of the above 3) What is the correct list of factors of 12? a) 1,2,3,4,6,12 b) 1,2,3,4,5,6,12 c) 1,4,6,12 4) What is the GCF of 20 and 30? a) 5 b) 10 c) 2 5) What is the GCF of 20, 44, and 88? a) 4 b) 22 c) 2 6) What is the GCF of 4 and 12? a) 3 b) 4 c) 6 7) Find the greatest common factor of 32 and 48. a) 2 b) 8 c) 16 8) Find the greatest common factor of 30 and 36. a) 2 b) 6 c) 3 9) Find the greatest common factor of 24 and 48 a) 4 b) 24 c) 12 10) What is the prime factors of 18? a) 3 X 3 b) 2 X 9 c) 2 X 3 X 3

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