To determine if 1223 is a prime number or a composite number, we simply look at the factors for 1223.
If the factors of 1223 are only 1223 and 1, then we know that 1223 is a prime number. Otherwise, 1223 is a composite number.
To explain better, if 1223 is only divisible by 1 and 1223, then it is a prime number, and if 1223 is divisible by more than 1223 and 1, then it is a composite number.
The factors of 1223 are as follows:
1, 1223
Therefore, since 1223 is divisible by only one and itself, the answer to the
question "Is 1223 prime or composite?" is highlighted in blue below.
prime
Is 1224 prime or composite?
OK. Now you know that 1223 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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