Answer:
What is the meaning of relative prime?
Two integers are relatively prime when there are no common factors other than 1.
Explanation:
For example, 7 and 20 are relatively prime.
see explanation
2 numbers are relatively prime when their only common factor is 1
21 and 22 are relatively prime
factors of 21 = 1, 3, 7, 21
factors of 22 = 1, 2, 11, 22
Their only common factor is 1 so they are relatively prime
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