To determine if 9128 is a prime number or a composite number, we simply look at the factors for 9128.
If the factors of 9128 are only 9128 and 1, then we know that 9128 is a prime number. Otherwise, 9128 is a composite number.
To explain better, if 9128 is only divisible by 1 and 9128, then it is a prime number, and if 9128 is divisible by more than 9128 and 1, then it is a composite number.
The factors of 9128 are as follows:
1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 4564, 9128
Therefore, since 9128 is divisible by more than one and itself, the answer to the
question "Is 9128 prime or composite?" is highlighted in blue below.
composite
Is 9129 prime or composite?
OK. Now you know that 9128 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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