they are 2 , 10 and 18
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
None The even numbers 60, 72, 84, 90, and 96 each have 12 factors
The odd factors of 90 are 1,3,5,9 and 15.
19 and 90 have no common prime factors.
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.