To determine if 3519 is a prime number or a composite number, we simply look at the factors for 3519.
If the factors of 3519 are only 3519 and 1, then we know that 3519 is a prime number. Otherwise, 3519 is a composite number.
To explain better, if 3519 is only divisible by 1 and 3519, then it is a prime number, and if 3519 is divisible by more than 3519 and 1, then it is a composite number.
The factors of 3519 are as follows:
1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519
Therefore, since 3519 is divisible by more than one and itself, the answer to the
question "Is 3519 prime or composite?" is highlighted in blue below.
composite
Is 3520 prime or composite?
OK. Now you know that 3519 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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