Twelve factors.
There are 12 factors in all.
Factors of 90 will be factors of 180.
8
Eight of them.
90 has more than six factors.
9: 1,3.9 90: 1,2,3,5,6,9,10,15,18,30,45,90 81: 1,3,9,27,81
The common factors of 45 and 90 are 1,3,5
A factor = any number which can be divided into the given number with no remainder ie 1, 2, 3, 5, 6, 10, 15, 18, 30, 45, 90 which is 11 factors 90×1 45×2 30×3 18×5 15×6 10×9
19 and 90 have no common prime factors.
The odd factors of 90 are 1,3,5,9 and 15.
60, 72, 84, 90, and 96 are a few of the many numbers having 12 factors.
the number 90 has the most factors under 100