To determine if 7543 is a prime number or a composite number, we simply look at the factors for 7543.
If the factors of 7543 are only 7543 and 1, then we know that 7543 is a prime number. Otherwise, 7543 is a composite number.
To explain better, if 7543 is only divisible by 1 and 7543, then it is a prime number, and if 7543 is divisible by more than 7543 and 1, then it is a composite number.
The factors of 7543 are as follows:
1, 19, 397, 7543
Therefore, since 7543 is divisible by more than one and itself, the answer to the
question "Is 7543 prime or composite?" is highlighted in blue below.
composite
Is 7544 prime or composite?
OK. Now you know that 7543 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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