To determine if 8621 is a prime number or a composite number, we simply look at the factors for 8621.
If the factors of 8621 are only 8621 and 1, then we know that 8621 is a prime number. Otherwise, 8621 is a composite number.
To explain better, if 8621 is only divisible by 1 and 8621, then it is a prime number, and if 8621 is divisible by more than 8621 and 1, then it is a composite number.
The factors of 8621 are as follows:
1, 37, 233, 8621
Therefore, since 8621 is divisible by more than one and itself, the answer to the
question "Is 8621 prime or composite?" is highlighted in blue below.
composite
Is 8622 prime or composite?
OK. Now you know that 8621 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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