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Factors of 45: 1, 3, 5, 9, 15, 45

Factors of 18: 1, 2, 3, 6, 9, 18

Common Factors: 1, 3, 9

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Q: Common factors of 18 and 45?
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Common factors of 72 and 45?

The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72The common factors are: 1, 3, 9everyone knows that you have to find the factors of 45 and then 72 and then find what they have in commen and then find the highest now work it out ya self


What is the largest common factor of 72 and 45?

The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72The common factors are: 1, 3, 9The Greatest Common Factor (GCF) is: 9


What is the greatest common factor of 36 and 90?

The greatest common factor of 36 and 90 is 18.The common factors of 36 and 90 are 1, 2, 3, 6, 9, and 18.Definition: A factor is a divisor - a number that will evenly divide into another number. The common factors of two or more numbers are all the factors that the numbers have in common. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.Methods:One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90.The common factors are 1, 2, 3, 6, 9, and 18. Therefore, the greatest common factor is 18.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 36 are 2, 2, 3, and 3.The prime factors of 90 are 2, 3, 3, and 5.The prime factors in common are 2, 3, and 3, so the greatest common factor is 2 x 3 x 3 = 18.


What are the factors of 90?

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.


What is the highest common factor of 225 and 270?

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.