To determine if 783 is a prime number or a composite number, we simply look at the factors for 783.
If the factors of 783 are only 783 and 1, then we know that 783 is a prime number. Otherwise, 783 is a composite number.
To explain better, if 783 is only divisible by 1 and 783, then it is a prime number, and if 783 is divisible by more than 783 and 1, then it is a composite number.
The factors of 783 are as follows:
1, 3, 9, 27, 29, 87, 261, 783
Therefore, since 783 is divisible by more than one and itself, the answer to the
question "Is 783 prime or composite?" is highlighted in blue below.
composite
Is 784 prime or composite?
OK. Now you know that 783 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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