If this is a true or false question, then the answer would be true. Recreational time can come before or after school. However, if you are tasked to choose between the 'before' or 'after' time frame, then I shall answer that recreational time usually comes after school.
Prime numbers are numbers that are only divisible by 1 and themselves. So, to tell if a number is prime, look at its factors.
19:
1 x 19
29:
1 x 29
39:
1 x 39
3 x 13
So, because 39 has more than one set of factors, it's NOT a prime number.
Answer:
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