To determine if 677 is a prime number or a composite number, we simply look at the factors for 677.
If the factors of 677 are only 677 and 1, then we know that 677 is a prime number. Otherwise, 677 is a composite number.
To explain better, if 677 is only divisible by 1 and 677, then it is a prime number, and if 677 is divisible by more than 677 and 1, then it is a composite number.
The factors of 677 are as follows:
1, 677
Therefore, since 677 is divisible by only one and itself, the answer to the
question "Is 677 prime or composite?" is highlighted in blue below.
prime
Is 678 prime or composite?
OK. Now you know that 677 is a prime 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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