Question

Why all prime numbers are coprime number but all coprime numbers need not to be prime numbers ?​

Answer 1

Answer:

Two numbers or integers are co-prime if their common factor is only 1. Such numbers have only 1 as their highest common factor, for example, {4 and 7}, {5, 7, 9} are coprime numbers. ... Co-prime numbers need not be prime numbers always.

• Factors: 1,2,7,14
• Numbers: 14

Answer 2

Answer:

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Step-by-step explanation:

[ Recall that coprime numbers are just numbers that have no factors in common, or in other words, . This is because the prime factorization of is and the prime factorization of is . They share no common prime factors, so they are coprime. Example (8,11) is a pair of co-prime number and here 8 is not a prime number. ]