To determine if 342 is a prime number or a composite number, we simply look at the factors for 342.
If the factors of 342 are only 342 and 1, then we know that 342 is a prime number. Otherwise, 342 is a composite number.
To explain better, if 342 is only divisible by 1 and 342, then it is a prime number, and if 342 is divisible by more than 342 and 1, then it is a composite number.
The factors of 342 are as follows:
1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342
Therefore, since 342 is divisible by more than one and itself, the answer to the
question "Is 342 prime or composite?" is highlighted in blue below.
composite
Is 343 prime or composite?
OK. Now you know that 342 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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