To determine if 7938 is a prime number or a composite number, we simply look at the factors for 7938.
If the factors of 7938 are only 7938 and 1, then we know that 7938 is a prime number. Otherwise, 7938 is a composite number.
To explain better, if 7938 is only divisible by 1 and 7938, then it is a prime number, and if 7938 is divisible by more than 7938 and 1, then it is a composite number.
The factors of 7938 are as follows:
1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969, 7938
Therefore, since 7938 is divisible by more than one and itself, the answer to the
question "Is 7938 prime or composite?" is highlighted in blue below.
composite
Is 7939 prime or composite?
OK. Now you know that 7938 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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