To determine if 8438 is a prime number or a composite number, we simply look at the factors for 8438.
If the factors of 8438 are only 8438 and 1, then we know that 8438 is a prime number. Otherwise, 8438 is a composite number.
To explain better, if 8438 is only divisible by 1 and 8438, then it is a prime number, and if 8438 is divisible by more than 8438 and 1, then it is a composite number.
The factors of 8438 are as follows:
1, 2, 4219, 8438
Therefore, since 8438 is divisible by more than one and itself, the answer to the
question "Is 8438 prime or composite?" is highlighted in blue below.
composite
Is 8439 prime or composite?
OK. Now you know that 8438 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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