To determine if 1331 is a prime number or a composite number, we simply look at the factors for 1331.
If the factors of 1331 are only 1331 and 1, then we know that 1331 is a prime number. Otherwise, 1331 is a composite number.
To explain better, if 1331 is only divisible by 1 and 1331, then it is a prime number, and if 1331 is divisible by more than 1331 and 1, then it is a composite number.
The factors of 1331 are as follows:
1, 11, 121, 1331
Therefore, since 1331 is divisible by more than one and itself, the answer to the
question "Is 1331 prime or composite?" is highlighted in blue below.
composite
Is 1332 prime or composite?
OK. Now you know that 1331 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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