To determine if 3171 is a prime number or a composite number, we simply look at the factors for 3171.
If the factors of 3171 are only 3171 and 1, then we know that 3171 is a prime number. Otherwise, 3171 is a composite number.
To explain better, if 3171 is only divisible by 1 and 3171, then it is a prime number, and if 3171 is divisible by more than 3171 and 1, then it is a composite number.
The factors of 3171 are as follows:
1, 3, 7, 21, 151, 453, 1057, 3171
Therefore, since 3171 is divisible by more than one and itself, the answer to the
question "Is 3171 prime or composite?" is highlighted in blue below.
composite
Is 3172 prime or composite?
OK. Now you know that 3171 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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