To determine if 1944 is a prime number or a composite number, we simply look at the factors for 1944.
If the factors of 1944 are only 1944 and 1, then we know that 1944 is a prime number. Otherwise, 1944 is a composite number.
To explain better, if 1944 is only divisible by 1 and 1944, then it is a prime number, and if 1944 is divisible by more than 1944 and 1, then it is a composite number.
The factors of 1944 are as follows:
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944
Therefore, since 1944 is divisible by more than one and itself, the answer to the
question "Is 1944 prime or composite?" is highlighted in blue below.
composite
Is 1945 prime or composite?
OK. Now you know that 1944 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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