To determine if 339 is a prime number or a composite number, we simply look at the factors for 339.
If the factors of 339 are only 339 and 1, then we know that 339 is a prime number. Otherwise, 339 is a composite number.
To explain better, if 339 is only divisible by 1 and 339, then it is a prime number, and if 339 is divisible by more than 339 and 1, then it is a composite number.
The factors of 339 are as follows:
1, 3, 113, 339
Therefore, since 339 is divisible by more than one and itself, the answer to the
question "Is 339 prime or composite?" is highlighted in blue below.
composite
Is 340 prime or composite?
OK. Now you know that 339 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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