To determine if 656 is a prime number or a composite number, we simply look at the factors for 656.
If the factors of 656 are only 656 and 1, then we know that 656 is a prime number. Otherwise, 656 is a composite number.
To explain better, if 656 is only divisible by 1 and 656, then it is a prime number, and if 656 is divisible by more than 656 and 1, then it is a composite number.
The factors of 656 are as follows:
1, 2, 4, 8, 16, 41, 82, 164, 328, 656
Therefore, since 656 is divisible by more than one and itself, the answer to the
question "Is 656 prime or composite?" is highlighted in blue below.
composite
Is 657 prime or composite?
OK. Now you know that 656 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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