To determine if 4238 is a prime number or a composite number, we simply look at the factors for 4238.
If the factors of 4238 are only 4238 and 1, then we know that 4238 is a prime number. Otherwise, 4238 is a composite number.
To explain better, if 4238 is only divisible by 1 and 4238, then it is a prime number, and if 4238 is divisible by more than 4238 and 1, then it is a composite number.
The factors of 4238 are as follows:
1, 2, 13, 26, 163, 326, 2119, 4238
Therefore, since 4238 is divisible by more than one and itself, the answer to the
question "Is 4238 prime or composite?" is highlighted in blue below.
composite
Is 4239 prime or composite?
OK. Now you know that 4238 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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