189 is a composite number.

Factor pairs: 189 = 1 x 189, 3 x 63, 7 x 27, 9 x 21

Factors of 189: 1, 3, 7, 9, 21, 27, 63, 189

Prime factorization: 189 = 3 x 3 x 3 x 7, which can also be written 189 = (3^3) x 7

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Excel file of puzzles and previous week’s factor solutions: 12 Factors 2014-07-28