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This can be especially helpful if you are adding or subtracting fractions, so the bottom number on both fractions will be the same

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Q: Why is it helpful to find common factors for 2 nummbers?
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Write a real word problems which it be helpful to find the least common factor?

It's never helpful to find the least common factor. The least common factor of any set of integers is 1.


What are the common factors of 1361224?

You need at least two numbers to find factors in common.


Find the common factors of 12 and 28?

The common factors are: 1, 2, 4


How do you find the greatest common factor when there are no common factors?

There is always a common factor. If there are no common prime factors, the GCF is 1.


What are the common factors of 42?

There cannot be a common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.


What are the common factors of 55?

There cannot be a common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.


Common factors of 42024?

There cannot be a common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.


What are the common factors for135?

There cannot be a common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.


What are the factors in common for 72?

There cannot be a common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.


How do you find common factors of 649?

Common factors are factors shared by two or more numbers. A single number cannot have a common factor.


What do the common factors of 12 have in common?

There cannot be a greatest common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.


What are the common factors of 108?

There cannot be a greatest common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.