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no,31 and 62 coprimes are not coprimes . as ,62 is divisible by 31 .so,their GCD=2
Coprimes, or relative primes, are two or more numbers that share no common divisors. To determine whether numbers are relatively prime, find their greatest common denominaotr. If it's one, they're coprime.
First, find the prime factorization of the number. For instance, with 45: 45 = 3 * 3 * 5 = 32 * 51 Now, from this prime factorization, any numbers whose prime factorizations do not include these factors is coprime to the number you have.
161, 322, 483, 644, and all other multiples of 161 are divisible by 161.
161 is evenly divisible by: 1, 7, 23, 161.