To determine if 7518 is a prime number or a composite number, we simply look at the factors for 7518.
If the factors of 7518 are only 7518 and 1, then we know that 7518 is a prime number. Otherwise, 7518 is a composite number.
To explain better, if 7518 is only divisible by 1 and 7518, then it is a prime number, and if 7518 is divisible by more than 7518 and 1, then it is a composite number.
The factors of 7518 are as follows:
1, 2, 3, 6, 7, 14, 21, 42, 179, 358, 537, 1074, 1253, 2506, 3759, 7518
Therefore, since 7518 is divisible by more than one and itself, the answer to the
question "Is 7518 prime or composite?" is highlighted in blue below.
composite
Is 7519 prime or composite?
OK. Now you know that 7518 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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