Question

Is 81 and 16 are co-prime​

Answer 1

Answer:

Factors of 16 are 1, 2, 4, 8 and 16.

 

Factors of 81 are 1, 3, 9, 27 and 81.

 

Therefore, 1 is the only common factor of 81 and 16 which means that 81 and 16 are co-prime.

Explanation:

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Answer 2

Answer:

81 and 16 are coprime

Explanation:

Factors of 16 is 1, 2, 3, 4, 8 and 16. Factors of 81 is 1, 3, 9, 27 and 81.Therefore 1 is only common factor for both 16 and 81. Which mean 16 and 81 are coprime

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