To determine if 2125 is a prime number or a composite number, we simply look at the factors for 2125.
If the factors of 2125 are only 2125 and 1, then we know that 2125 is a prime number. Otherwise, 2125 is a composite number.
To explain better, if 2125 is only divisible by 1 and 2125, then it is a prime number, and if 2125 is divisible by more than 2125 and 1, then it is a composite number.
The factors of 2125 are as follows:
1, 5, 17, 25, 85, 125, 425, 2125
Therefore, since 2125 is divisible by more than one and itself, the answer to the
question "Is 2125 prime or composite?" is highlighted in blue below.
composite
Is 2126 prime or composite?
OK. Now you know that 2125 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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