To determine if 6519 is a prime number or a composite number, we simply look at the factors for 6519.
If the factors of 6519 are only 6519 and 1, then we know that 6519 is a prime number. Otherwise, 6519 is a composite number.
To explain better, if 6519 is only divisible by 1 and 6519, then it is a prime number, and if 6519 is divisible by more than 6519 and 1, then it is a composite number.
The factors of 6519 are as follows:
1, 3, 41, 53, 123, 159, 2173, 6519
Therefore, since 6519 is divisible by more than one and itself, the answer to the
question "Is 6519 prime or composite?" is highlighted in blue below.
composite
Is 6520 prime or composite?
OK. Now you know that 6519 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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