To determine if 439 is a prime number or a composite number, we simply look at the factors for 439.
If the factors of 439 are only 439 and 1, then we know that 439 is a prime number. Otherwise, 439 is a composite number.
To explain better, if 439 is only divisible by 1 and 439, then it is a prime number, and if 439 is divisible by more than 439 and 1, then it is a composite number.
The factors of 439 are as follows:
1, 439
Therefore, since 439 is divisible by only one and itself, the answer to the
question "Is 439 prime or composite?" is highlighted in blue below.
prime
Is 440 prime or composite?
OK. Now you know that 439 is a prime 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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