To determine if 3147 is a prime number or a composite number, we simply look at the factors for 3147.
If the factors of 3147 are only 3147 and 1, then we know that 3147 is a prime number. Otherwise, 3147 is a composite number.
To explain better, if 3147 is only divisible by 1 and 3147, then it is a prime number, and if 3147 is divisible by more than 3147 and 1, then it is a composite number.
The factors of 3147 are as follows:
1, 3, 1049, 3147
Therefore, since 3147 is divisible by more than one and itself, the answer to the
question "Is 3147 prime or composite?" is highlighted in blue below.
composite
Is 3148 prime or composite?
OK. Now you know that 3147 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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