To determine if 7678 is a prime number or a composite number, we simply look at the factors for 7678.
If the factors of 7678 are only 7678 and 1, then we know that 7678 is a prime number. Otherwise, 7678 is a composite number.
To explain better, if 7678 is only divisible by 1 and 7678, then it is a prime number, and if 7678 is divisible by more than 7678 and 1, then it is a composite number.
The factors of 7678 are as follows:
1, 2, 11, 22, 349, 698, 3839, 7678
Therefore, since 7678 is divisible by more than one and itself, the answer to the
question "Is 7678 prime or composite?" is highlighted in blue below.
composite
Is 7679 prime or composite?
OK. Now you know that 7678 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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