To determine if 1438 is a prime number or a composite number, we simply look at the factors for 1438.
If the factors of 1438 are only 1438 and 1, then we know that 1438 is a prime number. Otherwise, 1438 is a composite number.
To explain better, if 1438 is only divisible by 1 and 1438, then it is a prime number, and if 1438 is divisible by more than 1438 and 1, then it is a composite number.
The factors of 1438 are as follows:
1, 2, 719, 1438
Therefore, since 1438 is divisible by more than one and itself, the answer to the
question "Is 1438 prime or composite?" is highlighted in blue below.
composite
Is 1439 prime or composite?
OK. Now you know that 1438 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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