Question

Find the missing prime factors to complete the prime factorization of each number

12 = 2 x 2 x ____

18 = _____ x 3 x 2

32 = 2 x 2 x 2 x 2 x _____

100 = 2 x 2 x ____ x 5

140 = 2 x 2 x 5 x ____

76 = 2 x 2 x ____

75 = ____ x 5 x 5

45 = 3 x ____ x 5

42 = 2 x 3 x ____

110 = 2 x ____ x 11

Answer 1

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12 = 2 x 2 x 3

18 = 3 x 3 x 2

32 = 2 x 2 x 2 x 2 x 2

100 = 2 x 2 x 5 x 5

140 = 2 x 2 x 5 x 7

76 = 2 x 2 x 19

75 = 3 x 5 x 5

45 = 3 x 3 x 5

42 = 2 x 3 x 7

110 = 2 x 5 x 11