To determine if 3971 is a prime number or a composite number, we simply look at the factors for 3971.
If the factors of 3971 are only 3971 and 1, then we know that 3971 is a prime number. Otherwise, 3971 is a composite number.
To explain better, if 3971 is only divisible by 1 and 3971, then it is a prime number, and if 3971 is divisible by more than 3971 and 1, then it is a composite number.
The factors of 3971 are as follows:
1, 11, 19, 209, 361, 3971
Therefore, since 3971 is divisible by more than one and itself, the answer to the
question "Is 3971 prime or composite?" is highlighted in blue below.
composite
Is 3972 prime or composite?
OK. Now you know that 3971 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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