To determine if 8239 is a prime number or a composite number, we simply look at the factors for 8239.
If the factors of 8239 are only 8239 and 1, then we know that 8239 is a prime number. Otherwise, 8239 is a composite number.
To explain better, if 8239 is only divisible by 1 and 8239, then it is a prime number, and if 8239 is divisible by more than 8239 and 1, then it is a composite number.
The factors of 8239 are as follows:
1, 7, 11, 77, 107, 749, 1177, 8239
Therefore, since 8239 is divisible by more than one and itself, the answer to the
question "Is 8239 prime or composite?" is highlighted in blue below.
composite
Is 8240 prime or composite?
OK. Now you know that 8239 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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