To determine if 8125 is a prime number or a composite number, we simply look at the factors for 8125.
If the factors of 8125 are only 8125 and 1, then we know that 8125 is a prime number. Otherwise, 8125 is a composite number.
To explain better, if 8125 is only divisible by 1 and 8125, then it is a prime number, and if 8125 is divisible by more than 8125 and 1, then it is a composite number.
The factors of 8125 are as follows:
1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125
Therefore, since 8125 is divisible by more than one and itself, the answer to the
question "Is 8125 prime or composite?" is highlighted in blue below.
composite
Is 8126 prime or composite?
OK. Now you know that 8125 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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