No, 12 and 18 are not prime to each other. Two numbers are considered prime to each other if their greatest common divisor is 1. In this case, the greatest common divisor of 12 and 18 is 6, not 1. Therefore, 12 and 18 are not prime to each other.
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No, 12 and 18 are not coprime. Their common factors are 2, 3, and 6.
No, neither 12 nor 18 are prime numbers. A prime number is a number greater than 1 that can only be divided by 1 and itself. Both 12 and 18 can be divided by numbers other than 1 and themselves, so they are not prime.
5 and 37 are prime. 12 and 18 are composite.
The least common multiple (LCM) of 12 and 18 is 36, which is the smallest number that both 12 and 18 can divide into without leaving a remainder. To find the LCM, you can list the multiples of each number or use prime factorization. Thus, 36 is the number that both 12 and 18 go into.
It is 17.