To determine if 1233 is a prime number or a composite number, we simply look at the factors for 1233.
If the factors of 1233 are only 1233 and 1, then we know that 1233 is a prime number. Otherwise, 1233 is a composite number.
To explain better, if 1233 is only divisible by 1 and 1233, then it is a prime number, and if 1233 is divisible by more than 1233 and 1, then it is a composite number.
The factors of 1233 are as follows:
1, 3, 9, 137, 411, 1233
Therefore, since 1233 is divisible by more than one and itself, the answer to the
question "Is 1233 prime or composite?" is highlighted in blue below.
composite
Is 1234 prime or composite?
OK. Now you know that 1233 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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