1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
Factors of 90 will be factors of 180.
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
The odd factors of 90 are 1,3,5,9 and 15.
19 and 90 have no common prime factors.
The percentage of incumbent house members successfully winning re-election is very high. The low 90's are average, with the 2008 election showing 94% re-election rates.
Twelve factors.
Since 45 is a factor of 90, all of its factors are common.
The odd composite factors of 90 are: 9, 15, 45
90 has three prime factors: 2, 3 and 5.
The prime factors of 90 are 2,3,3,5.