To determine if 8521 is a prime number or a composite number, we simply look at the factors for 8521.
If the factors of 8521 are only 8521 and 1, then we know that 8521 is a prime number. Otherwise, 8521 is a composite number.
To explain better, if 8521 is only divisible by 1 and 8521, then it is a prime number, and if 8521 is divisible by more than 8521 and 1, then it is a composite number.
The factors of 8521 are as follows:
1, 8521
Therefore, since 8521 is divisible by only one and itself, the answer to the
question "Is 8521 prime or composite?" is highlighted in blue below.
prime
Is 8522 prime or composite?
OK. Now you know that 8521 is a prime 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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