To determine if 8905 is a prime number or a composite number, we simply look at the factors for 8905.
If the factors of 8905 are only 8905 and 1, then we know that 8905 is a prime number. Otherwise, 8905 is a composite number.
To explain better, if 8905 is only divisible by 1 and 8905, then it is a prime number, and if 8905 is divisible by more than 8905 and 1, then it is a composite number.
The factors of 8905 are as follows:
1, 5, 13, 65, 137, 685, 1781, 8905
Therefore, since 8905 is divisible by more than one and itself, the answer to the
question "Is 8905 prime or composite?" is highlighted in blue below.
composite
Is 8906 prime or composite?
OK. Now you know that 8905 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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