To determine if 2643 is a prime number or a composite number, we simply look at the factors for 2643.
If the factors of 2643 are only 2643 and 1, then we know that 2643 is a prime number. Otherwise, 2643 is a composite number.
To explain better, if 2643 is only divisible by 1 and 2643, then it is a prime number, and if 2643 is divisible by more than 2643 and 1, then it is a composite number.
The factors of 2643 are as follows:
1, 3, 881, 2643
Therefore, since 2643 is divisible by more than one and itself, the answer to the
question "Is 2643 prime or composite?" is highlighted in blue below.
composite
Is 2644 prime or composite?
OK. Now you know that 2643 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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