To determine if 5439 is a prime number or a composite number, we simply look at the factors for 5439.
If the factors of 5439 are only 5439 and 1, then we know that 5439 is a prime number. Otherwise, 5439 is a composite number.
To explain better, if 5439 is only divisible by 1 and 5439, then it is a prime number, and if 5439 is divisible by more than 5439 and 1, then it is a composite number.
The factors of 5439 are as follows:
1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439
Therefore, since 5439 is divisible by more than one and itself, the answer to the
question "Is 5439 prime or composite?" is highlighted in blue below.
composite
Is 5440 prime or composite?
OK. Now you know that 5439 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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