To determine if 2878 is a prime number or a composite number, we simply look at the factors for 2878.
If the factors of 2878 are only 2878 and 1, then we know that 2878 is a prime number. Otherwise, 2878 is a composite number.
To explain better, if 2878 is only divisible by 1 and 2878, then it is a prime number, and if 2878 is divisible by more than 2878 and 1, then it is a composite number.
The factors of 2878 are as follows:
1, 2, 1439, 2878
Therefore, since 2878 is divisible by more than one and itself, the answer to the
question "Is 2878 prime or composite?" is highlighted in blue below.
composite
Is 2879 prime or composite?
OK. Now you know that 2878 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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