To determine if 2148 is a prime number or a composite number, we simply look at the factors for 2148.
If the factors of 2148 are only 2148 and 1, then we know that 2148 is a prime number. Otherwise, 2148 is a composite number.
To explain better, if 2148 is only divisible by 1 and 2148, then it is a prime number, and if 2148 is divisible by more than 2148 and 1, then it is a composite number.
The factors of 2148 are as follows:
1, 2, 3, 4, 6, 12, 179, 358, 537, 716, 1074, 2148
Therefore, since 2148 is divisible by more than one and itself, the answer to the
question "Is 2148 prime or composite?" is highlighted in blue below.
composite
Is 2149 prime or composite?
OK. Now you know that 2148 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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