37 is prime. It cannot be divided evenly by any number (except itself and one) so it is prime.
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its a prime number.
37 is a prime number but 42 is a composite number
Prime number. Its only factors are 1 and itself.
3367 is a composite number. Its prime factors are 7, 13, 37
37 is a prime number, so since 42 can not be divided by 37 evenly, they are indeed relatively prime.