To determine if 9138 is a prime number or a composite number, we simply look at the factors for 9138.
If the factors of 9138 are only 9138 and 1, then we know that 9138 is a prime number. Otherwise, 9138 is a composite number.
To explain better, if 9138 is only divisible by 1 and 9138, then it is a prime number, and if 9138 is divisible by more than 9138 and 1, then it is a composite number.
The factors of 9138 are as follows:
1, 2, 3, 6, 1523, 3046, 4569, 9138
Therefore, since 9138 is divisible by more than one and itself, the answer to the
question "Is 9138 prime or composite?" is highlighted in blue below.
composite
Is 9139 prime or composite?
OK. Now you know that 9138 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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