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Is 515 prime or composite?


To determine if 515 is a prime number or a composite number, we simply look at the factors for 515.

If the factors of 515 are only 515 and 1, then we know that 515 is a prime number. Otherwise, 515 is a composite number.

To explain better, if 515 is only divisible by 1 and 515, then it is a prime number, and if 515 is divisible by more than 515 and 1, then it is a composite number.

The factors of 515 are as follows:

1, 5, 103, 515

Therefore, since 515 is divisible by more than one and itself, the answer to the question "Is 515 prime or composite?" is highlighted in blue below.

composite


Is 516 prime or composite?
OK. Now you know that 515 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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