To determine if 604 is a prime number or a composite number, we simply look at the factors for 604.
If the factors of 604 are only 604 and 1, then we know that 604 is a prime number. Otherwise, 604 is a composite number.
To explain better, if 604 is only divisible by 1 and 604, then it is a prime number, and if 604 is divisible by more than 604 and 1, then it is a composite number.
The factors of 604 are as follows:
1, 2, 4, 151, 302, 604
Therefore, since 604 is divisible by more than one and itself, the answer to the
question "Is 604 prime or composite?" is highlighted in blue below.
composite
Is 605 prime or composite?
OK. Now you know that 604 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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