Yes it a Prime number because it has only two factors and you will know if a number is prime factor if it's factors are only 1 and itself.
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The prime factor of 37 is 37.
37 is a prime number only 1 multiplied by 37 will get you 37.
It is a Prime number.
37 is prime.
37 is a prime number because it has only two factors, 1 and 37.