What are the factors of negative 70?

Answer 1

Factor trees create prime numbers. Prime numbers are positive. Since the prime factors of negative 72 are the same as positive 72, you might as well do positive 72.

72

36,2

18,2,2

9,2,2,2

3,3,2,2,2

Answer 2

The factors of a negative number are the same as that for the positive number. In each case, both the negative and the positive are factors. In this case, for example, both 7 and -7 are factors.

Answer 3

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

-1, -2, -3, -4, -6, -8, -9, -12, -18, -24, -36, -72

Answer 4

1, 2, 5, 7, 10, 14, 35, 70, -1, -2, -5, -7, -10, -14, -35, -70

Answer 5

1, -1, 3, -3, 9, -9, 27, -27