To determine if 8561 is a prime number or a composite number, we simply look at the factors for 8561.
If the factors of 8561 are only 8561 and 1, then we know that 8561 is a prime number. Otherwise, 8561 is a composite number.
To explain better, if 8561 is only divisible by 1 and 8561, then it is a prime number, and if 8561 is divisible by more than 8561 and 1, then it is a composite number.
The factors of 8561 are as follows:
1, 7, 1223, 8561
Therefore, since 8561 is divisible by more than one and itself, the answer to the
question "Is 8561 prime or composite?" is highlighted in blue below.
composite
Is 8562 prime or composite?
OK. Now you know that 8561 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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