To determine if 939 is a prime number or a composite number, we simply look at the factors for 939.
If the factors of 939 are only 939 and 1, then we know that 939 is a prime number. Otherwise, 939 is a composite number.
To explain better, if 939 is only divisible by 1 and 939, then it is a prime number, and if 939 is divisible by more than 939 and 1, then it is a composite number.
The factors of 939 are as follows:
1, 3, 313, 939
Therefore, since 939 is divisible by more than one and itself, the answer to the
question "Is 939 prime or composite?" is highlighted in blue below.
composite
Is 940 prime or composite?
OK. Now you know that 939 is a composite number. Use our logic above and see if
you can figure out if the next number on our list is prime or composite before you check your answer.
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