To determine if 2149 is a prime number or a composite number, we simply look at the factors for 2149.
If the factors of 2149 are only 2149 and 1, then we know that 2149 is a prime number. Otherwise, 2149 is a composite number.
To explain better, if 2149 is only divisible by 1 and 2149, then it is a prime number, and if 2149 is divisible by more than 2149 and 1, then it is a composite number.
The factors of 2149 are as follows:
1, 7, 307, 2149
Therefore, since 2149 is divisible by more than one and itself, the answer to the
question "Is 2149 prime or composite?" is highlighted in blue below.
composite
Is 2150 prime or composite?
OK. Now you know that 2149 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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