To determine if 7439 is a prime number or a composite number, we simply look at the factors for 7439.
If the factors of 7439 are only 7439 and 1, then we know that 7439 is a prime number. Otherwise, 7439 is a composite number.
To explain better, if 7439 is only divisible by 1 and 7439, then it is a prime number, and if 7439 is divisible by more than 7439 and 1, then it is a composite number.
The factors of 7439 are as follows:
1, 43, 173, 7439
Therefore, since 7439 is divisible by more than one and itself, the answer to the
question "Is 7439 prime or composite?" is highlighted in blue below.
composite
Is 7440 prime or composite?
OK. Now you know that 7439 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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