To determine if 7239 is a prime number or a composite number, we simply look at the factors for 7239.
If the factors of 7239 are only 7239 and 1, then we know that 7239 is a prime number. Otherwise, 7239 is a composite number.
To explain better, if 7239 is only divisible by 1 and 7239, then it is a prime number, and if 7239 is divisible by more than 7239 and 1, then it is a composite number.
The factors of 7239 are as follows:
1, 3, 19, 57, 127, 381, 2413, 7239
Therefore, since 7239 is divisible by more than one and itself, the answer to the
question "Is 7239 prime or composite?" is highlighted in blue below.
composite
Is 7240 prime or composite?
OK. Now you know that 7239 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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