To determine if 1943 is a prime number or a composite number, we simply look at the factors for 1943.
If the factors of 1943 are only 1943 and 1, then we know that 1943 is a prime number. Otherwise, 1943 is a composite number.
To explain better, if 1943 is only divisible by 1 and 1943, then it is a prime number, and if 1943 is divisible by more than 1943 and 1, then it is a composite number.
The factors of 1943 are as follows:
1, 29, 67, 1943
Therefore, since 1943 is divisible by more than one and itself, the answer to the
question "Is 1943 prime or composite?" is highlighted in blue below.
composite
Is 1944 prime or composite?
OK. Now you know that 1943 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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