To determine if 8205 is a prime number or a composite number, we simply look at the factors for 8205.
If the factors of 8205 are only 8205 and 1, then we know that 8205 is a prime number. Otherwise, 8205 is a composite number.
To explain better, if 8205 is only divisible by 1 and 8205, then it is a prime number, and if 8205 is divisible by more than 8205 and 1, then it is a composite number.
The factors of 8205 are as follows:
1, 3, 5, 15, 547, 1641, 2735, 8205
Therefore, since 8205 is divisible by more than one and itself, the answer to the
question "Is 8205 prime or composite?" is highlighted in blue below.
composite
Is 8206 prime or composite?
OK. Now you know that 8205 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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