What are the factors of 400 and 289?

Answer 1

The term common factors specifically refers to the factors shared by two or more numbers. Since 289 is a single number, you could say that it shares all of its factors with itself.
The factors of 289 are: 1, 17, and 289.

Answer 2

The factors of 290 are 1, 2, 5, 10, 29, 58, 145, 290

Answer 3

There cannot be common factors of just one number. To be common there need to be at least two numbers.

Answer 4

1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890

Answer 5

The factors of 289 are: 1, 17, 289
The factors of 400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400

Answer 6

The factors of 259 are 1, 7, 37, 259

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