To determine if 313 is a prime number or a composite number, we simply look at the factors for 313.
If the factors of 313 are only 313 and 1, then we know that 313 is a prime number. Otherwise, 313 is a composite number.
To explain better, if 313 is only divisible by 1 and 313, then it is a prime number, and if 313 is divisible by more than 313 and 1, then it is a composite number.
The factors of 313 are as follows:
1, 313
Therefore, since 313 is divisible by only one and itself, the answer to the
question "Is 313 prime or composite?" is highlighted in blue below.
prime
Is 314 prime or composite?
OK. Now you know that 313 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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