The factors of 15 are:
1, 3, 5, 15
The factors of 45 are:
1, 3, 5, 9, 15, 45
The factors of 90 are:
1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
The factors of 1545 are:
1, 3, 5, 15, 103, 309, 515, 1545
the only factors of 180 greater than 50 but least than 100 is 60 and 90 =)
1,3,5,9,15,45 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
For 75, 3 and 5 For 90, 2, 3 and 5
The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
The common factors are: 1, 3, 5, 15.
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
19 and 90 have no common prime factors.
The odd factors of 90 are 1,3,5,9 and 15.
There are 10 millimetres in one centimetre. Therefore, 1545 millimetres is equal to 1545 / 10 = 154.5 centimetres.
There are 100 centimetres in one metre. Therefore, 1545 centimetres is equal to 1545/100 = 15.45 metres.
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