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What are the factor and prime factors of 81?

Updated: 8/17/2019
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factors: 1, 3, 9, 27, 81

prime factor: 3

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12y ago
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Q: What are the factor and prime factors of 81?
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What are the factors and prime factors 81?

The factors of 81 are: 1 3 9 27 81 The prime factor is: 3


What are the prime factors of 81 and 225?

The only prime factor of 81 is: 3.The prime factors of 225 are: 3 and 5.


What is the greatest common factor of 37 and 81?

The factors of 37 are 1 and 37. The factors of 81 are 1, 3, 9, 27, and 81. They have only one factor in common - 1. Since the greatest common factor of 37 and 81 is 1, they are relatively prime. You can also look at the prime factors to determine the greatest common factor. 37 is a prime number, so its only prime factor is itself, 37. The prime factors of 81 are 3, 3, 3, and 3. They have no prime factors in common, so they are relatively prime, which means their greatest common factor is 1.


What is the greatest common factor of 35 and 81?

The factors of 35 are 1, 5, 7, and 35. The factors of 81 are 1, 3, 9, 27, and 81. The only factor they have in common is 1. Therefore, 1 is the greatest common factor. This means that 35 and 81 are relatively prime. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 35 are 5 and 7. The prime factors of 81 are 3, 3, 3, and 3. They have no prime factors in common, so they are relatively prime, which means the only factor they have in common is 1.


Common prime factors 18 81?

18 and 81 share only one prime factor: 3


What is the greatest common factor of 16 and 81?

The GCF of 16 and 81 is 1. 16's prime factors are 2, 2, 2 and 2 81's prime factors are 3, 3, 3 and 3 Therefore, they do not have any common prime factors, and so the greatest common factor is 1.


What is the greatest common factor for 18 and 81?

The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 81 are 1, 3, 9, 27, and 81. The common factors are 1, 3, and 9. Therefore, the greatest common factor is 9. You can also determine the greatest common factor from the prime factors. The prime factors of 18 are 2, 3, and 3. The prime factors of 81 are 3, 3, 3, and 3. The prime factors in common are 3 and 3, so the greatest common factor is 3 x 3 = 9.


What are the factors and prime factors of 729?

The factors of 729 are: 1 3 9 27 81 243 729The prime factor is 3


What are the factors of 56 and 81?

The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, and 56.The prime factors of 56 are: 2 and 7.The factors of 81 are: 1, 3, 9, 27, and 81.The only prime factor of 81 is: 3.


What are the factors and prime factors of 81?

The factors of 81 are 1, 3, 9, 27, and 81. The factor pairs of 81 are 1 x 81, 3 x 27, and 9 x 9. The proper factors of 81 are 1, 3, 9, and 27, or if the definition you are using excludes 1, they are 3, 9, and 27. The prime factors of 81 are 3, 3, 3, and 3. Note: There is repetition of these factors, so if the prime factors are being listed instead of the prime factorization, usually only the distinct prime factors are listed. The distinct prime factor of 81 is 3. The prime factorization of 81 is 3 x 3 x 3 x 3 or in exponential form 34. 81 = 3*3*3*3 or 3^4.


What are the prime factors factors of 81?

3 x 3 x 3 x 3


What are the prime factors of 81 and 135?

81 is equivilant to 3^4135 is equivilant to 5*(3^3)Therefore the only prime factor of 81 and 135 is 3