What are the common factors of 189?

Answer 1

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

Answer 2

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

Answer 3

The factors of 189 are 1, 3, 7, 9, 21, 27, 63, 189.

For them to be common, they need to be compared to another set of factors.

Answer 4

It has eight factors: 1 3 7 9 21 27 63 189.

Answer 5

Yes it is. It goes in 21 times.