To determine if 3143 is a prime number or a composite number, we simply look at the factors for 3143.
If the factors of 3143 are only 3143 and 1, then we know that 3143 is a prime number. Otherwise, 3143 is a composite number.
To explain better, if 3143 is only divisible by 1 and 3143, then it is a prime number, and if 3143 is divisible by more than 3143 and 1, then it is a composite number.
The factors of 3143 are as follows:
1, 7, 449, 3143
Therefore, since 3143 is divisible by more than one and itself, the answer to the
question "Is 3143 prime or composite?" is highlighted in blue below.
composite
Is 3144 prime or composite?
OK. Now you know that 3143 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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