To determine if 4125 is a prime number or a composite number, we simply look at the factors for 4125.
If the factors of 4125 are only 4125 and 1, then we know that 4125 is a prime number. Otherwise, 4125 is a composite number.
To explain better, if 4125 is only divisible by 1 and 4125, then it is a prime number, and if 4125 is divisible by more than 4125 and 1, then it is a composite number.
The factors of 4125 are as follows:
1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125
Therefore, since 4125 is divisible by more than one and itself, the answer to the
question "Is 4125 prime or composite?" is highlighted in blue below.
composite
Is 4126 prime or composite?
OK. Now you know that 4125 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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