To determine if 546 is a prime number or a composite number, we simply look at the factors for 546.
If the factors of 546 are only 546 and 1, then we know that 546 is a prime number. Otherwise, 546 is a composite number.
To explain better, if 546 is only divisible by 1 and 546, then it is a prime number, and if 546 is divisible by more than 546 and 1, then it is a composite number.
The factors of 546 are as follows:
1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546
Therefore, since 546 is divisible by more than one and itself, the answer to the
question "Is 546 prime or composite?" is highlighted in blue below.
composite
Is 547 prime or composite?
OK. Now you know that 546 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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