To determine if 3931 is a prime number or a composite number, we simply look at the factors for 3931.
If the factors of 3931 are only 3931 and 1, then we know that 3931 is a prime number. Otherwise, 3931 is a composite number.
To explain better, if 3931 is only divisible by 1 and 3931, then it is a prime number, and if 3931 is divisible by more than 3931 and 1, then it is a composite number.
The factors of 3931 are as follows:
1, 3931
Therefore, since 3931 is divisible by only one and itself, the answer to the
question "Is 3931 prime or composite?" is highlighted in blue below.
prime
Is 3932 prime or composite?
OK. Now you know that 3931 is a prime 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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