To determine if 9009 is a prime number or a composite number, we simply look at the factors for 9009.
If the factors of 9009 are only 9009 and 1, then we know that 9009 is a prime number. Otherwise, 9009 is a composite number.
To explain better, if 9009 is only divisible by 1 and 9009, then it is a prime number, and if 9009 is divisible by more than 9009 and 1, then it is a composite number.
The factors of 9009 are as follows:
1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 3003, 9009
Therefore, since 9009 is divisible by more than one and itself, the answer to the
question "Is 9009 prime or composite?" is highlighted in blue below.
composite
Is 9010 prime or composite?
OK. Now you know that 9009 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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