To determine if 558 is a prime number or a composite number, we simply look at the factors for 558.
If the factors of 558 are only 558 and 1, then we know that 558 is a prime number. Otherwise, 558 is a composite number.
To explain better, if 558 is only divisible by 1 and 558, then it is a prime number, and if 558 is divisible by more than 558 and 1, then it is a composite number.
The factors of 558 are as follows:
1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558
Therefore, since 558 is divisible by more than one and itself, the answer to the
question "Is 558 prime or composite?" is highlighted in blue below.
composite
Is 559 prime or composite?
OK. Now you know that 558 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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