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The common factors are: 1, 3, 9.

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Q: What are the common factors of 45 and 81?
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What are the common factors and greatest common factor of 45 and 81?

The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 81 are: 1, 3, 9, 27, 81The common factors are: 1, 3, 9The Greatest Common Factor (GCF) is: 9


81 27 45 are the multiples of?

1, 3 and 9 are common factors of 27, 45 and 81. 27, 45 and 81 are multiples of 1, 3 and 9.


What are the common factors of 81 and 90?

The factors of 81 are: 1, 3, 9, 27, 81The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90The common factors are: 1, 3, 9


What are 81's common factors?

The factors of 81 are 1, 3, 9, 27, 81. For them to be common, they need to be compared to another set of factors.


What are the common factors of 81 and 135?

The common factors of 81 and 135 are: 1, 3, 9, and 27

Related questions

What Are the common factors for 45 and 81?

They are 1 and 9


What are the greatest common factors in 45 36 81?

9


What is the least common factor of 45 and 81?

The least common factor of any numbers is typically 1. The factors of 45 are 1, 3, 5, 9, 15, and 45. The factors of 81 are 1, 3, 9, 27, and 81. The common factors are 1, 3, and 9. The least (smallest) common factor is 1.


What are the common factors and greatest common factor of 45 and 81?

The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 81 are: 1, 3, 9, 27, 81The common factors are: 1, 3, 9The Greatest Common Factor (GCF) is: 9


What are the common factors of 27 45 and 81?

1, 3 and 9


What are the common factors of 18 45 63 and 81?

1, 3 and 9


What is the gcf for 45 81?

The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 81 are: 1, 3, 9, 27, 81The common factors are: 1, 3, 9The Greatest Common Factor (GCF) is: 9


What is the greatest common factor of 45 63 and 81?

Factors of 45: 1 3 5 9 15 45 Factors of 81: 1 3 927 81 Factors of 63: 1 3 7 9 21 63 The GCF of 45, 81, and 63 is 9


What are the factors of 45 and 81?

The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 81 are: 1, 3, 9, 27, 81


What are the greatest common factors of 45 and 81?

Short answer: There are none. There is neither a greatest common factor nor common factors of a single number, such as 81, 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 81 are 1, 3, 9, 27, and 81. Examples: The common factors of 18 and 81 are 1, 3, and 9; the greatest common factor is 9. The common factors of 20 and 81 are only 1; the greatest common factor is 1. The common factors of 39 and 81 are 1 and 3; the greatest common factor is 3. The common factors of 81 and 243 are 1, 3, 9, 27, and 81; the greatest common factor is 81.


What is the prime factors of 45 and 81?

For 45: 3 and 5 For 81: 3


81 27 45 are the multiples of?

1, 3 and 9 are common factors of 27, 45 and 81. 27, 45 and 81 are multiples of 1, 3 and 9.