To determine if 6686 is a prime number or a composite number, we simply look at the factors for 6686.
If the factors of 6686 are only 6686 and 1, then we know that 6686 is a prime number. Otherwise, 6686 is a composite number.
To explain better, if 6686 is only divisible by 1 and 6686, then it is a prime number, and if 6686 is divisible by more than 6686 and 1, then it is a composite number.
The factors of 6686 are as follows:
1, 2, 3343, 6686
Therefore, since 6686 is divisible by more than one and itself, the answer to the
question "Is 6686 prime or composite?" is highlighted in blue below.
composite
Is 6687 prime or composite?
OK. Now you know that 6686 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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