1 and 2
2 and 3
5 and 6
9 and 10
if you subtract them.
2 + 3 = 5
90^1
The two factors of 90 with a difference of 1 are 9 and 10.
4 x 90
The factors of 89 are: 1, 89 The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
90
The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90.The factors of 115 are: 1, 5, 23, 115.The common factors are: 1, 5
The factors of 25 are: 1, 5, 25The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
The factors of 75 are 1, 3, 5, 15, 25, 75 The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
There are infinitely many possible answers. One such is -1 * 90
Assuming you mean base 10, it equals 91.
The factors of 76 are: 1, 2, 4, 19, 38, 76 The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90