To determine if 4123 is a prime number or a composite number, we simply look at the factors for 4123.
If the factors of 4123 are only 4123 and 1, then we know that 4123 is a prime number. Otherwise, 4123 is a composite number.
To explain better, if 4123 is only divisible by 1 and 4123, then it is a prime number, and if 4123 is divisible by more than 4123 and 1, then it is a composite number.
The factors of 4123 are as follows:
1, 7, 19, 31, 133, 217, 589, 4123
Therefore, since 4123 is divisible by more than one and itself, the answer to the
question "Is 4123 prime or composite?" is highlighted in blue below.
composite
Is 4124 prime or composite?
OK. Now you know that 4123 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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