To determine if 7825 is a prime number or a composite number, we simply look at the factors for 7825.
If the factors of 7825 are only 7825 and 1, then we know that 7825 is a prime number. Otherwise, 7825 is a composite number.
To explain better, if 7825 is only divisible by 1 and 7825, then it is a prime number, and if 7825 is divisible by more than 7825 and 1, then it is a composite number.
The factors of 7825 are as follows:
1, 5, 25, 313, 1565, 7825
Therefore, since 7825 is divisible by more than one and itself, the answer to the
question "Is 7825 prime or composite?" is highlighted in blue below.
composite
Is 7826 prime or composite?
OK. Now you know that 7825 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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