To determine if 3515 is a prime number or a composite number, we simply look at the factors for 3515.
If the factors of 3515 are only 3515 and 1, then we know that 3515 is a prime number. Otherwise, 3515 is a composite number.
To explain better, if 3515 is only divisible by 1 and 3515, then it is a prime number, and if 3515 is divisible by more than 3515 and 1, then it is a composite number.
The factors of 3515 are as follows:
1, 5, 19, 37, 95, 185, 703, 3515
Therefore, since 3515 is divisible by more than one and itself, the answer to the
question "Is 3515 prime or composite?" is highlighted in blue below.
composite
Is 3516 prime or composite?
OK. Now you know that 3515 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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