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20, 21, 22

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12y ago

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What are the common factors and greatest common factor of 20?

There is neither a greatest common factor nor common factors of a single number, such as 20, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there are neither common factors nor a greatest common factor. The factors of 20 are 1, 2, 4, 5, 10, and 20. The prime factors of 20 are 2, 2, and 5. Examples: The common factors of 20 and 70 are 1, 2, 5, and 10; the greatest common factor is 10. The common factors of 20 and 32 are 1, 2, and 4; the greatest common factor is 4. The common factors of 20 and 140 are 1, 2, 4, 5, 10, and 20; the greatest common factor is 20.


Is 20 over 21 in simplest form?

Since the numbers 20 and 21 share no common positive integer factors, 20/21 is expressed in its simplest form.


What are the common factors of 20 and 65?

Factors of 20:1,2,4,5,10,20Factors of 65:1,5,13,65The common factors are 1 and 5.


What are the common factors of 18 and 20?

The common factors of 18 and 20 are 1 and 2.


What are the common factors of 20 and 26?

The common factors of 20 and 26 are 1 and 2


What are the common factors of 20 and 22?

The common factors of 20 and 22 are 1, 2.


What are the common factors for 20 and 25?

Common factors for 20 & 25 are: 1 & 5


What are the common factors for 20?

Common factors of 20 are; 1,2,4,5, and 20. 1x20=20, 2x10=20, 4x5=20, 5x4=20, 20x1+=20. If you have to show your work then just check mine.The factors of 20 are 1,2,4,5,10 and 20. For them to be common, they have to be compared to another set of factors.


What are the common factors of 20 and 60?

The common factors of 20 and 60 are: 1, 2, 4, 5, 10, and 20 The common factors of 20 and 60 are: 1, 2, 4, 5, 10, and 20.


What are the common factors of 48 and 20?

The common factors of 20 and 48 are 1, 2, and 4.


What are the common factors of 20 40?

Since 20 is a factor of 40, all of its factors are common.


What are the common factors for 20 and 28?

Common factors of 20 and 28: 1, 2, and 4.