To determine if 7838 is a prime number or a composite number, we simply look at the factors for 7838.
If the factors of 7838 are only 7838 and 1, then we know that 7838 is a prime number. Otherwise, 7838 is a composite number.
To explain better, if 7838 is only divisible by 1 and 7838, then it is a prime number, and if 7838 is divisible by more than 7838 and 1, then it is a composite number.
The factors of 7838 are as follows:
1, 2, 3919, 7838
Therefore, since 7838 is divisible by more than one and itself, the answer to the
question "Is 7838 prime or composite?" is highlighted in blue below.
composite
Is 7839 prime or composite?
OK. Now you know that 7838 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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