out of 15,16,21 and 28 , find out all the pairs of co-prime numbers
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6
Answer:
The pair will be 15-16, 16-21, 21-28, 15-28, 16-28. From above it is clear that 15 and 16 are co-prime because common factor is 1. Hence pairs 15 and 16, 16 and 21, 15 and 28 are co-primes
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4
Answer:
The pairs will be 15-16,16-21,21-28,15-28,16-28.
Explanation:
From above it is clear that 15 and 16 are Co prime because common factor 1. Hence 15 and 16, 16 and 21, 15 and 28 are Co prime
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