To determine if 3975 is a prime number or a composite number, we simply look at the factors for 3975.
If the factors of 3975 are only 3975 and 1, then we know that 3975 is a prime number. Otherwise, 3975 is a composite number.
To explain better, if 3975 is only divisible by 1 and 3975, then it is a prime number, and if 3975 is divisible by more than 3975 and 1, then it is a composite number.
The factors of 3975 are as follows:
1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975
Therefore, since 3975 is divisible by more than one and itself, the answer to the
question "Is 3975 prime or composite?" is highlighted in blue below.
composite
Is 3976 prime or composite?
OK. Now you know that 3975 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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