To determine if 517 is a prime number or a composite number, we simply look at the factors for 517.
If the factors of 517 are only 517 and 1, then we know that 517 is a prime number. Otherwise, 517 is a composite number.
To explain better, if 517 is only divisible by 1 and 517, then it is a prime number, and if 517 is divisible by more than 517 and 1, then it is a composite number.
The factors of 517 are as follows:
1, 11, 47, 517
Therefore, since 517 is divisible by more than one and itself, the answer to the
question "Is 517 prime or composite?" is highlighted in blue below.
composite
Is 518 prime or composite?
OK. Now you know that 517 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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