To determine if 2131 is a prime number or a composite number, we simply look at the factors for 2131.
If the factors of 2131 are only 2131 and 1, then we know that 2131 is a prime number. Otherwise, 2131 is a composite number.
To explain better, if 2131 is only divisible by 1 and 2131, then it is a prime number, and if 2131 is divisible by more than 2131 and 1, then it is a composite number.
The factors of 2131 are as follows:
1, 2131
Therefore, since 2131 is divisible by only one and itself, the answer to the
question "Is 2131 prime or composite?" is highlighted in blue below.
prime
Is 2132 prime or composite?
OK. Now you know that 2131 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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