One method is to express each number in terms of its prime factors.
189 = 3 x 3 x 3 x 7 = 33 x 7
297 = 3 x 3 x 3 x 11 = 33 x 11
The Greatest Common Factor is 33 = 27.
Chat with our AI personalities
5 x 27 = 135. 7 x 27 = 189. 11 x 27 = 297. So the answer is 27.
The factors of 132 are: 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132The factors of 297 are: 1, 3, 9, 11, 27, 33, 99, 297The common factors are: 1, 3, 11, 33The Greatest Common Factor (GCF) is: 33
11
The GCF is 27.
Any multiple of 27 will have 27 as a factor. 27, 54, 81, 108, 135, 162, 189, 216, 243, 270, 297, 324, 351, 378, 405, ...