To determine if 2491 is a prime number or a composite number, we simply look at the factors for 2491.
If the factors of 2491 are only 2491 and 1, then we know that 2491 is a prime number. Otherwise, 2491 is a composite number.
To explain better, if 2491 is only divisible by 1 and 2491, then it is a prime number, and if 2491 is divisible by more than 2491 and 1, then it is a composite number.
The factors of 2491 are as follows:
1, 47, 53, 2491
Therefore, since 2491 is divisible by more than one and itself, the answer to the
question "Is 2491 prime or composite?" is highlighted in blue below.
composite
Is 2492 prime or composite?
OK. Now you know that 2491 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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