Question

For n=8, 12, 20 and 25. Find all positive integers less than n and relatively prime to n for;
n=8, 12, 20, 25.​

Answer 1

Answer:

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Step-by-step explanation:

Consider  

Recall the definition,

If a and b are relatively prime, then  

For,

The set of all positive integers less than 5 are

Find the integers that are relatively prime to 5.

But the integer 5 is a prime, therefore each ofis relatively prime to 5.