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Question
Which of the following numbers is co-prime?
15 and 37
Solution
Factors of 15 = 1, 3, 5, 15
Factors of 37 = 1, 37
We know that two numbers with common factor is only 1 are called co-prime numbers.
The common factor of 15 and 37 is only 1.
Thus, these are co-prime numbers.
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