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Q: What are factor pairs of 189?

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1 and 189, 3 and 63, 7 and 27, 9 and 21

The factors of 189 are 1, 3, 7, 9, 21, 27, 63, and 189. The factor pairs of 189 are 1 x 189, 3 x 63, 7 x 27, and 9 x 21.

The factor pairs of 189 are: 1 x 189 3 x 63 7 x 27 9 x 21

7 is a prime factor of 189, because 7 X 27 = 189.

it is the factors of 189

The Greatest Common Factor (GCF) is: 189

The factors of 189 are 1 3 7 9 21 27 63 189 So the largest factor is 189. However, 189 is not a proper factor, even though it is a factor. The largest proper factor is 63. Now 63 is not prime, since is is clearly divisible by 3. The largest prime factor is 7

The greatest common factor of 189 and 195 is 3.

The greatest common factor of 81 and 189 is 27.

The Greatest Common Factor of 189 and 449 is 1.

Since 27 is a factor of 189, it is automatically the GCF.

189 63,3 21,3,3 7,3,3,3

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