To determine if 5805 is a prime number or a composite number, we simply look at the factors for 5805.
If the factors of 5805 are only 5805 and 1, then we know that 5805 is a prime number. Otherwise, 5805 is a composite number.
To explain better, if 5805 is only divisible by 1 and 5805, then it is a prime number, and if 5805 is divisible by more than 5805 and 1, then it is a composite number.
The factors of 5805 are as follows:
1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805
Therefore, since 5805 is divisible by more than one and itself, the answer to the
question "Is 5805 prime or composite?" is highlighted in blue below.
composite
Is 5806 prime or composite?
OK. Now you know that 5805 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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