Question

Vhich of the following numbers are co-prime?
81 and 16
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Answer 1

215 and 216 are co-prime because 1 is the only common factor of these numbers. 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.Apr

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Answer 2

Answer:

81 and 16

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Step-by-step explanation: