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A factor is a number by which another is exactly divisible. Every number has factors. Some numbers have the same factors as other numbers. Those are common factors. When comparing lists of common factors, the largest number is called the greatest common factor, or GCF.

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Q: How is common factors and greatest common factors similar and different?

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All integers have factors. Some integers have some of the same factors as other integers. These are known as common factors. The largest of these is known as the greatest common factor, or GCF.

In any set of common factors, the largest number is the GCF.

In the list of common factors, the greatest is the largest, the least is the smallest (which is always 1)

The common factors are 1 and 3. The greatest of these is 3.

A factor of a number is a number that number can be divided by. For instance, 20 has the factors 1, 2, 4, 5, 10 and 20. 28 has the factors 1, 2, 4, 7, 14 and 28. Common factors are factors which appear in both lists. In this instance, 1, 2 and 4 are common factors of 20 and 28. The greatest common factor is the biggest number out of the common factors. In this case, 4 is the greatest common factor.

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All integers have factors. Some integers have some of the same factors as other integers. These are known as common factors. The largest of these is known as the greatest common factor, or GCF.

they all are needed to find out the greatest common or just the common factors

In any set of common factors, the largest number is the GCF.

The greatest common factor is the largest of the common factors.

In the list of common factors, the greatest is the largest, the least is the smallest (which is always 1)

The common factors are 1 and 3. The greatest of these is 3.

The common factors are: 1, 5 The Greatest Common Factor (GCF) is: 5

What are the greatest common factors of 990 and 1540

The factors of 36 are :1,2,3,6,9,12,18,36The factors of 60 are :1,2,3,5,6,10,12,15,20,30,60The factors of 108 are :1,2,3,4,6,9,12,.etc.each number has the many similar factors, but the highest factor (or GCF [greatest common factor]) is 12 Therefore the answer is 12.

A factor of a number is a number that number can be divided by. For instance, 20 has the factors 1, 2, 4, 5, 10 and 20. 28 has the factors 1, 2, 4, 7, 14 and 28. Common factors are factors which appear in both lists. In this instance, 1, 2 and 4 are common factors of 20 and 28. The greatest common factor is the biggest number out of the common factors. In this case, 4 is the greatest common factor.

1,2,5,10 are the common factors, and the Greatest Common Factor is 10.

the greatest common factors of what? The question makes no sense as it stands.

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