To determine if 549 is a prime number or a composite number, we simply look at the factors for 549.
If the factors of 549 are only 549 and 1, then we know that 549 is a prime number. Otherwise, 549 is a composite number.
To explain better, if 549 is only divisible by 1 and 549, then it is a prime number, and if 549 is divisible by more than 549 and 1, then it is a composite number.
The factors of 549 are as follows:
1, 3, 9, 61, 183, 549
Therefore, since 549 is divisible by more than one and itself, the answer to the
question "Is 549 prime or composite?" is highlighted in blue below.
composite
Is 550 prime or composite?
OK. Now you know that 549 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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