To determine if 3970 is a prime number or a composite number, we simply look at the factors for 3970.
If the factors of 3970 are only 3970 and 1, then we know that 3970 is a prime number. Otherwise, 3970 is a composite number.
To explain better, if 3970 is only divisible by 1 and 3970, then it is a prime number, and if 3970 is divisible by more than 3970 and 1, then it is a composite number.
The factors of 3970 are as follows:
1, 2, 5, 10, 397, 794, 1985, 3970
Therefore, since 3970 is divisible by more than one and itself, the answer to the
question "Is 3970 prime or composite?" is highlighted in blue below.
composite
Is 3971 prime or composite?
OK. Now you know that 3970 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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