To determine if 9405 is a prime number or a composite number, we simply look at the factors for 9405.
If the factors of 9405 are only 9405 and 1, then we know that 9405 is a prime number. Otherwise, 9405 is a composite number.
To explain better, if 9405 is only divisible by 1 and 9405, then it is a prime number, and if 9405 is divisible by more than 9405 and 1, then it is a composite number.
The factors of 9405 are as follows:
1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3135, 9405
Therefore, since 9405 is divisible by more than one and itself, the answer to the
question "Is 9405 prime or composite?" is highlighted in blue below.
composite
Is 9406 prime or composite?
OK. Now you know that 9405 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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