To determine if 1439 is a prime number or a composite number, we simply look at the factors for 1439.
If the factors of 1439 are only 1439 and 1, then we know that 1439 is a prime number. Otherwise, 1439 is a composite number.
To explain better, if 1439 is only divisible by 1 and 1439, then it is a prime number, and if 1439 is divisible by more than 1439 and 1, then it is a composite number.
The factors of 1439 are as follows:
1, 1439
Therefore, since 1439 is divisible by only one and itself, the answer to the
question "Is 1439 prime or composite?" is highlighted in blue below.
prime
Is 1440 prime or composite?
OK. Now you know that 1439 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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