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The factors of 21 are: 1, 3, 7, 21.

The factors of 33 are: 1, 3, 11, 33.

The common factors are: 1, 3

The GCF is: 3

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Q: What are the greatest common factors of 21 and 33?
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What is the greatest common factor of 21 and 33?

The greatest common factor of 21 and 33 is 3. The factors of 21 are 1,3,7,21 and the factors of 33 are 1,3,11 and 33 so the GCF is 3


What is the greatest common factor of 21 and 99?

The greatest common factor of 21 and 99 is 3. 21's factors are 1,3,and 7 99's factors are 1,3,9,11 33 (there may be more factors of 99). The highest factor that both number have in common are 3.


What are the greatest common factors of 27 and 33?

The greatest common factor of 27 and 33 is 3.


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There are no common factors of 33 and 14.


What are the common factors of 21 and 66?

The common factors of 21 and 66 are 1 and 3. The factors of 21 are 1, 3, 7, and 21. The factors of 66 are 1, 2, 3, 6, 11, 22, 33, and 66. The common factors are 1 and 3. The greatest common factor is 3.


What is the greatest common factor of 15 and 33?

Answer:The greatest common factor of 15 and 33 is 3.The common factors of 15 and 33 are 1 and 3.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 15 are 1, 3, 5, and 15.The factors of 33 are 1, 3, 11, and 33.The common factors are 1 and 3. Therefore, the greatest common factor is 3.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 15 are 3 and 5.The prime factors of 33 are 3 and 11.The prime factors in common are 3, so the greatest common factor is 3.


What is the greatest common factor of 33 55 and 77?

The factors of 33 include 1,3,11,33The factors of 55 include 1,5,11,55The factors of 77 include 1,7,11,77Therefore the greatest common factor of 33, 55 and 77 is 11.


What are the greatest factors of 22 and 33?

The greatest factors of any positive integers are the integers themselves. The GCF of 22 and 33 is 11.


What are the common factors and greatest common factor of 15 and 33?

The factors of 15 are: 1, 3, 5, 15The factors of 33 are: 1, 3, 11, 33The common factors are: 1, 3The Greatest Common Factor: GCF = 3


What are the common factor of 33 from least to greatest?

The factors of 33 are 1, 3, 11, 33. For them to be common, they need to be compared to another set of factors.


What is the gcf of 42 and 33?

The factors of 33 are: 1, 3, 11, 33The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42The common factors are: 1, 3The Greatest Common Factor (GCF) is: 3


What is the greatest common factor of 11 and 33?

Answer:The greatest common factor of 11 and 33 is 11.The common factors of 11 and 33 are 1 and 11.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:Since 11 is a factor of 33 and it is also the largest factor of itself, the greatest common factor must be 11.Another 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 11 are 1 and 11.The factors of 33 are 1, 3, 11, and 33.The common factors are 1 and 11. Therefore, the greatest common factor is 11.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 11 are 11.The prime factors of 33 are 3 and 11.The prime factors in common are a single 11, so the greatest common factor is 11.The GCF is 11.