To determine if 306 is a prime number or a composite number, we simply look at the factors for 306.
If the factors of 306 are only 306 and 1, then we know that 306 is a prime number. Otherwise, 306 is a composite number.
To explain better, if 306 is only divisible by 1 and 306, then it is a prime number, and if 306 is divisible by more than 306 and 1, then it is a composite number.
The factors of 306 are as follows:
1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306
Therefore, since 306 is divisible by more than one and itself, the answer to the
question "Is 306 prime or composite?" is highlighted in blue below.
composite
Is 307 prime or composite?
OK. Now you know that 306 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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