what is co prime number
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Co-Primes:
Two natural numbers which have only one common factor, i.e. 1, are called co-primes.
Two prime numbers are always co-primes. For example, 2 and 3 are co-primes.
But two co-prime numbers need not to be both prime numbers. For example, 3 and 4, 4 and 5, 6 and 7, 9 and 16 are co-primes, where 4, 6, 9 and 16 are not prime numbers.
Thus, we can conclude that 'two prime numbers will always be co-primes, but two co-primes need not be both prime numbers.'
For example, (6,7), (20,21), etc.
Two natural numbers which have only one common factor, i.e. 1, are called co-primes.
Two prime numbers are always co-primes. For example, 2 and 3 are co-primes.
But two co-prime numbers need not to be both prime numbers. For example, 3 and 4, 4 and 5, 6 and 7, 9 and 16 are co-primes, where 4, 6, 9 and 16 are not prime numbers.
Thus, we can conclude that 'two prime numbers will always be co-primes, but two co-primes need not be both prime numbers.'
For example, (6,7), (20,21), etc.
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CO PRIME NUMBER- when to number do not have any common factor other than one between then , they are called co-prime number ......
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