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Lvl 10

16

The factors of -9 are 1, -1, 3, -3, 9, -9. No two of those add up to 7.

The factors of 9 are 1, 3 and 9. None of them total -9. I suppose you could use three negative threes, but that feels lame.

1, 2

1, 3, 9

They are: 2+5 = 7

3, 3 and 1

Q: What are the factors of 9 that add to -9?

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9 and 98.

268

The factors of 117 are 1,3,9,13,39,and 117The factors of 117 are 1, 3, 9, 13, 39, and 117.1,3,9,13,39,and 1171x117;3x39;9x13To find the factors of a number, it is helpful to know the rules for checking if something is a divisor. One rule is that if a numbers digits add up to 9, the number divides by 9. In this case, 117 has digits which add up to 9, and so can be divided by 9. If we do this, we get 13, which is prime. Thus the prime factors are 3, 3 and 13. These can be combined to get the other factors. Therefore the factors of 117 are 1, 3, 9, 13, 39 and 117.

126 and -63 42 and 21 54 and 9

315

Related questions

Add them up. The factors of 9 are 1, 3 and 9. The sum of the factors is 13.

-8

The factors of 9 are 1, 3, and 9. 1 + 3 + 9 = 13

-9 and -5

6 and 9

How about 3 and 6

Its factors are: 1, 3, 9, 27 and they add up to 40

7 and 2

9 and -3

9 and 98.

5

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