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16: 2

28: 2, 7

81: 3

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Q: What are the prime factors of 81 28 and 16?
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Related questions

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 is the greatest common factor of 16 and 81?

The greatest common factor (GCF) of 16 and 81 is 1. This is because the factors of 16 are 1, 2, 4, 8, and 16, while the factors of 81 are 1, 3, 9, 27, and 81. The only factor that they have in common is 1, making it the greatest common factor.


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 841?

The Prime Factor of 81 is 3The Prime Factors of 28 are 2, 7


What are the common prime factors of 81 and 200?

81 and 200 have no common prime factors.


What are the numbers with 5 factors?

Prime numbers to the fourth power, like 16 and 81.


What numbers have 5 factors?

prime numbers to the fourth power, like 16 and 81.


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 are the factor and prime factors of 81?

factors: 1, 3, 9, 27, 81 prime factor: 3


What are the factors and prime factors of -81?

1,3,9,27,81 and their negatives. 3 is prime.


What are the factors and prime factors of 81?

The factors of 81 are numbers that can be multiplied together to give 81. The factors of 81 are 1, 3, 9, 27, and 81. Prime factors are the factors that are prime numbers. The prime factors of 81 are 3 and 3, or written as 3^4.


Is 625 and 81 relatively prime?

625 and 81 are relatively prime because they have common prime factors.