84, 87, 90, 93, 96, 99, 102, 105, 108.
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To find the multiples of 3 between 81 and 110, you need to divide each number in that range by 3 and check if the remainder is 0. Starting with 81, the next multiple of 3 is 84, then 87, and so on until you reach 108. Therefore, the multiples of 3 between 81 and 110 are 81, 84, 87, 90, 93, 96, 99, 102, 105, and 108.
They are multiples of 1, 3 and 9.
The prime factors of 81 are 3, 3, 3, and 3 - so the only two-digit factor is 27, which is 3 x 3 x 3.
The Multiples of 27: 27, 54, 81, 108, 135, .... Factors of 27: 1, 3, 9, 27 and 35. (27 = 33)
Multiples of.... 3 - 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96 & 99 4 - 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96 & 100 9 - 63, 72, 81, 90, 91 & 99
what is the ratio of multiples of 3 between 1 and 100 to all numbers between 1 and 100