To determine if 3960 is a prime number or a composite number, we simply look at the factors for 3960.
If the factors of 3960 are only 3960 and 1, then we know that 3960 is a prime number. Otherwise, 3960 is a composite number.
To explain better, if 3960 is only divisible by 1 and 3960, then it is a prime number, and if 3960 is divisible by more than 3960 and 1, then it is a composite number.
The factors of 3960 are as follows:
1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960
Therefore, since 3960 is divisible by more than one and itself, the answer to the
question "Is 3960 prime or composite?" is highlighted in blue below.
composite
Is 3961 prime or composite?
OK. Now you know that 3960 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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