To determine if 8642 is a prime number or a composite number, we simply look at the factors for 8642.
If the factors of 8642 are only 8642 and 1, then we know that 8642 is a prime number. Otherwise, 8642 is a composite number.
To explain better, if 8642 is only divisible by 1 and 8642, then it is a prime number, and if 8642 is divisible by more than 8642 and 1, then it is a composite number.
The factors of 8642 are as follows:
1, 2, 29, 58, 149, 298, 4321, 8642
Therefore, since 8642 is divisible by more than one and itself, the answer to the
question "Is 8642 prime or composite?" is highlighted in blue below.
composite
Is 8643 prime or composite?
OK. Now you know that 8642 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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