The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 45 are 1, 3, 5, 9, 15, and 45.
3,5,15
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The factors of 90 are the numbers that can be multiplied together to equal 90. These factors are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90. Factors always come in pairs, with one factor being less than or equal to the square root of the number and the other factor being greater.
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
Factors of 45: 1, 3, 5, 9, 15, 45 Factors of 18: 1, 2, 3, 6, 9, 18 Common Factors: 1, 3, 9
To find the highest common factor (HCF) of 225 and 270, we first need to find the factors of each number. The factors of 225 are 1, 3, 5, 9, 15, 25, 45, 75, and 225. The factors of 270 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, and 270. The highest common factor of 225 and 270 is 45, as it is the largest factor that both numbers share.
The factors of 540 are: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540. The prime factors are: 2, 3 and 5